Non-classical settings are used for the convenience of playing certain musical genres or pieces of music.

Classic setting method

1. tuning fork
2. The 1st string is used to tune the 2nd string, which, being pressed at the V fret, should sound the same as the 1st open (not pressed) string.
3. The 3rd string, pressed at the 4th fret, is tuned to the 2nd open string.
4. The 4th string, pressed on the V fret, is tuned to the 3rd open string.
5. The 5th string, pressed at the V fret, is tuned to the 4th open string.
6. The 6th string, pressed at the V fret, is tuned to the 5th open string.

Tuning with harmonics and temperament

Allows for much more precise tuning, since the accuracy of the frets is not always sufficient.

1. The 1st string is tuned using the reference sound - the sound of a tuning fork - or the sound of an already tuned musical instrument.
2. The 6th string is tuned so that its harmonic at the 5th fret sounds in unison with the 1st string.
3. The 5th string is tuned so that its harmonic at the 7th fret sounds in unison with the 1st string, and then it is slightly pulled up so that a beat occurs with a frequency of 0.372 Hz (one beat in 2.7 seconds).
4. The 4th string is tuned so that its harmonic at the 7th fret sounds in unison with the harmonic of the 5th string at the 5th fret, and then slightly tightened so that a beat occurs with a frequency of 0.497 Hz (one beat per 2.01 seconds).
5. The 3rd string is tuned so that its harmonic at the 7th fret sounds in unison with the harmonic of the 4th string at the 5th fret, and then slightly tightened so that a beat occurs with a frequency of 0.664 Hz (one beat per 1.51 seconds).
6. The 2nd string is tuned so that its harmonic on the 5th fret sounds almost in unison with the harmonic of the 1st string on the 7th fret, but is slightly shortened so that a beat with a frequency of 1.12 Hz is heard (one beat per 0.9 seconds).

When tuning using the tuning fork A (“A”), the 5th string is tuned first (the harmonic on the V fret in unison with the tuning fork), then the 1st and 6th, and then the 4th, 3rd and 2nd.

If you have good hearing and have gained enough experience, you can do without using harmonics, catching the beat of overtones in the sound of open strings.

Since changing the string tension leads to deformation of the guitar body and detuning of the remaining strings, it is recommended to tune the guitar in 2-3 iterations, the first of which can be done without temperament (without carefully counting the beat frequency).

Lower tunings of a six-string guitar

Decreased (that is, lower than the usual EBGDAE tuning) tunings are used for more convenient playing a certain key, or to obtain a lower, “heavy” sound. In particular, many rock guitarists love the so-called. Drop tunings, which are named by adding to “Drop” a note on the 6th string that drops 1 tone below the first (for example: Drop C = DAFCGC). To rebuild from classical system in any lowered mode, all the strings of the guitar are lowered by a certain interval (for example, to change to tuning D, you need to lower all the strings of the guitar by a tone). To lower the guitar's tuning by more than a tone, you may need to change the strings to thicker ones due to the weakening of their tension. Also, for tunings below B (B), mostly baritone guitars are used.

String	Scale E♭ (E-flat)		Build D (re)		Scale D♭ (D-flat)		Build C (before)		System B (si)
	Note	Frequency (in hertz)	Note	Frequency	Note	Frequency	Note	Frequency	Note	Frequency
First	e♭¹ (E-flat first octave)	311.13	d¹ (D first octave)	293.66	d♭¹ (D-flat first octave)	277.18	c¹ (to the first octave)	261.63	b (B small octave)	246.94
Second	b♭ (B-flat small octave)	233.08	a (A small octave)	220.00	a♭ (A-flat small octave)	207.00	g (small octave sol)	196.00	g♭ (G-flat small octave)	185.00
Third	g♭ (G-flat small octave)	185.00	f (f small octave)	174.62	e (minor octave E)	164.81	e♭ (small octave E-flat)	155.56	d (small octave D)	147.83
Fourth	d♭ (D-flat small octave)	138.59	c (to small octave)	130.82	B (big octave B)	123.48	B♭ (B-flat major octave)	116.54	A (A major octave)	110.00
Fifth	A♭ (A-flat major octave)	103.80	G (major octave G)	98.00	G♭ (G flat major octave)	92.50	F (major octave F)	87.31	E (major octave E)	82.41
Sixth	E♭ (major octave E-flat)	77.78	D (major octave D)	73.91	D♭ (D-flat major octave)	69.30	C (to major octave)	65.41	B¹ (B counter octave)	61.74
Notes

Open C

One of characteristic features is the ease of extracting basic major chords. A simple barre on the 2nd fret will give "D", 4th fret will give "E", 5th fret will give "F" and so on. Open strings will give you "C".

In order to tune the guitar in “Open C”, you need (starting from “ standard tuning"): 1st string (thin) Leave as in " standard system" - "Mi" ("E")
2nd string. Raise half a step to “C” (“C”)
3rd string. Leave as in “standard tuning” - “Salt” (“G”)
4th string. Lower one step to “Before” (“C”)
5th string. Lower one step to “Salt” (“G”)
6th string (thick). Lower by two steps from “E” to “Do” (“C”)

Raised tunings of a six-string guitar

Tuning a guitar, especially a classical one, can damage the instrument., as well as to injuries due to a sudden break of a tightened string.

To increase the tuning, you can use a capo. If rebuilding your guitar is necessary, it is recommended to use a thinner set of strings.

String	Build F (fa)		Tuning F# (F-sharp)		Tuning G (sol)		G# scale (G sharp)		System A (la)
	Note	Frequency (in hertz)	Note	Frequency	Note	Frequency	Note	Frequency	Note	Frequency
First	f¹ (fa first octave)	349.23	f¹# (F-sharp first octave)	369.99	g¹ (sol of the first octave)	392.00	g¹# (G-sharp first octave)	415.30	a¹ (A first octave)	440.00
Second	с¹ (to the first octave)	261.63	с¹# (C-sharp of the first octave)	277.18	d¹ (D first octave)	293.66	D¹# (D-sharp first octave)	311.13	e¹ (E first octave)	311.13
Third	g# (G-sharp small octave)	207.00	a (A small octave)	220.00	a# (A-sharp small octave)	233.08	b (B small octave)	246.94	c¹ (to the first octave)	261.63
Fourth	d# (d-sharp small octave)	155.56	e (minor octave E)	164.81	f (f small octave)	174.62	f# (F-sharp small octave)	185.00	g (small octave sol)	196.00
Fifth	A# (A-sharp major octave)	116.54	B (big octave B)	123.48	c (to small octave)	130.82	c# (C-sharp small octave)	138.59	d (small octave D)	147.83
Sixth	F (major octave F)	87.31	F# (F-sharp major octave)	92.50	G (major octave G)	98.00	G# (G-sharp major octave)	103.80	A (A major octave)	110.00
Notes

"Drop D" formation

This tuning differs from the classical one in that it is lowered by tone sixth string. It is often used by hard rock electric guitarists because it makes it easier to play 5th chords. power-chord), also some classical guitar works were written for him (in the keys of D major and D minor).

"Drop C" formation

Used to produce an even lower and “heavier” sound on an electric guitar. Unlike the classical system, all strings except the sixth tune in to tone below and sixth string- on two tones.
Like Drop tuning D is used to play fifth chords.

Double Drop-D formation

The tuning is similar to Drop D, differing in that the first string is lowered a tone. For tuning from classical tuning first And sixth the string is lowered to tone.
In this tuning there are four top open strings the guitars form a G major chord, making it easier to play with a slide. Double drop D was often used by performer Neil Young.

Build "DADGAD"

The tuning most often used in folk music. It was invented by British guitarist David Graham for more convenient playing from notes recorded for violin or bagpipes.
To reorganize the “DADGAD” system from the classic one, it is necessary to lower it to tone first, second And sixth strings.

Build "DADDAD"

The “Papa-Papa” tuning is most suitable both for use in folk music (Celtic) and for playing rhythm guitar parts in “heavy” (alternative) music, 4 notes at a time. To change the tuning “DADDAD” from the classical one, you need to lower it to tone first, second And sixth strings. A third tune in unison with fourth.

Build "Open D"

In this tuning, the open strings form a D major chord. It is used primarily on slide guitars.
To rebuild into this system from the classical first, second And sixth strings drop to tone, third goes down to semitone.

"Open G" build

In this tuning, the open strings form a G major chord.
To change to "Open G" tuning from the classic first, fifth And sixth strings drop to tone.

"New Standard"

Also known as "Crafty tuning". A tuning developed by musician Robert Fripp and used by him since 1983. Unlike the classical “quart” tuning, the tuning proposed by Robert Fripp is closer to bowed string instruments, and first, second And third the strings are tuned similarly to a violin. Tuning to this tuning may require replacing the lower strings with thicker ones and the upper strings with thinner ones.

"Alternative tuning Cross A"

E-A-E-A-E-A. "Sitar A" is an alternative lowered guitar tuning. Reminds me of the sound of an Indian sitar. Great for creating Indian (oriental) music.

Seven-string tunings

Standard

Build seven strings string guitar mixed - third-fourth, so the chord of the open strings is consonant (major quarter-sixth chord), unlike a six-string guitar. This system is considered classical (academic).

A natural question arises: "how to tune a 6 string guitar for a beginner?". If you have big plans and want to become a guitarist from God, at a minimum you need to be able to tuning your guitar correctly. But even if there are no such plans, you will still have to tune the guitar).

“I can’t tune my guitar” is a phrase you can often hear from a beginning guitarist, but first, let’s figure out how the strings should be tuned. The strings on a guitar are numbered from bottom to top, from the thinnest string to the thickest..

10 Tips: How to Play Guitar with Good Technique

With classic guitar tuning The 6th string is tuned to , the Latin designation "E" is often used. Usually the sixth string is tuned first, and the rest from there, but more on that later. This is how the strings should be tuned when classical system:

• e (the first, thinnest string is the note "E")
• B (second string, note "B")
• G (third string, G note)
• D (fourth string, note "D")
• A (fifth string, note "A")
• E (the sixth, thickest string is the note "E")

Now that we know how the strings should be tuned, let's try to tune them. By the way, you know ? To do this, we will use pegs or, as some beginners call them, “twisters”). can be turned in one or the other direction.

By turning the peg clockwise we tighten the string, giving it a higher sound, and accordingly turning it counterclockwise we loosen the string and it sounds lower.

When tuning a 6 string guitar, turn you need to be careful so as not to break the string, especially for beginner guitarists. With experience, you will feel the tension of the string much more accurately, but for now, be more careful and turn the “twists” carefully.

Tuning the 6th string

First of all, we tune the sixth string on the guitar. To do this, we need a so-called reference sound, specifically the note “E”. Where can I get it? You can listen to it on our website, take it on another tuned musical instrument, you can use a tuning fork, or go to YouTube and search for “E notes for guitar tuning” or something like that.

Some people have perfect pitch and can determine the pitch of a note without using the above methods. This quality of hearing can be developed, but as a rule it is innate. However, not all professionals have such skills, so the method proposed below is used by both experienced guitarists and beginners.

And so, we have found a “sample” note, let’s start tuning. Tuning a 6-string guitar, as well as playing any other musical instrument, requires at least some degree of hearing. The presence of hearing in a beginner is very easy to determine, if you are able to distinguish which of two notes sounds higher and which lower, then you definitely have hearing. This is what we need now.

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Play standard note "mi" and at the same time start plucking the sixth string of your guitar. Do you feel the difference? Does your guitar string sound lower than the reference note? So you need to tighten it up a little, twist smoothly and continue tuning the 6th string until our string and the reference note sound . Try tightening and loosening the string a little until you achieve the desired sound.

Tuning the rest of the strings

can be tuned in a similar way, using standard notes, but as a rule, “in everyday life” they are tuned relative to the 6th string. The procedure is as follows:

We will use the 6th string clamped on the 5th fret and the 5th string open (that is, not clamped on any fret). We alternately pluck the fifth and sixth strings and adjust the sound of the fifth string until we achieve unison.

The remaining strings are tuned according to a similar pattern, but with a slight correction (pay attention to the setting of the second string). I will describe the entire string tuning scheme:

• Sixth string - tune either by reference note or by ear.

There are a lot of bands in the world that play in a variety of tunings. It seems that one can get confused in such diversity. But if you look closely, it turns out that almost all tunings belong to one of several common types that I will now describe.

In the pictures below I have depicted the “formulas” of these types. It’s not very visual, but it’s beautiful and New Year’s-like. The numbers indicate the interval between adjacent strings. For example, in standard tuning, the second string is 5 semitones lower than the first, the third is 4 semitones lower than the second, and so on.

This sequence is familiar to anyone who has tuned a guitar “by itself”:

Any tuning with the same sequence of intervals (5-5-5-4-5, if you count from bottom to top) is also a standard tuning, only lowered (or higher). The same chord and scale fingerings will work in it. Any part written in E standard can be played in D standard tuning, it will simply sound a tone lower. The very essence of the tuning - the intervals between adjacent strings - remains the same.

From a "just play" point of view EADGBE- this is the same as DGCFAD. I want to play something from Death, and a guitar in standard tuning is not a problem, we look for taboos and play. It will just sound a tone higher. Because the TYPE of structure is the same. Other options:
- raise the original by a tone in the audio editor and play along with it.
- lower the guitar with a pitch shifter in real time and play to the unaltered original.
- record the minus in standard tuning and play to it.

And if the intervals are different, then we are talking about a different TYPE of structure. If you want to play something from Killswitch Engage, you need to understand what type of system it is. And it turns out that they CGCFAD- this is the same as DADGBE, but a tone lower. So all you have to do is switch to good old DropD.

The easiest way to determine the type of tuning is to read this post, and then enter the tuning in guitarpro and raise and lower the whole thing until something familiar or as close as possible to the standard appears:

I have provided examples for each type of structure. If I write only the name of the group, it means that this structure is the main one for it. It's the same with albums. If a song is listed, the band made one or more songs in that tuning, but used others more often.

Then I indicate the pros and cons of the tuning and which version is closest to the standard tuning (“for testing”). If “for trial” is not indicated, it means that the tuning requires a custom set of strings in any of its variants.

Standard tuning

Standard tuning is a tuning in which all intervals between the strings are 5 semitones, and only between the 2nd and 3rd strings there are 4 semitones. The most standard version (which is simply called the standard tuning) is the one that begins and ends with E - EADGBE. All other options are named by open note, which is obtained on the first or sixth string: for example, D standard.

E standard	EADGBE	The vast majority of all groups in the world. True, it is not so easy to find a large/famous group that would play ONLY in Mi standard. All the heroes of rock are the Beatles, Rolling Stones, Pink Floyd and so on, at least sometimes they turned to other systems. Even AC/DC has several songs in Eb standard. Perhaps the only classic of rock that can be cited is Queen, and even then I’m not entirely sure ( update: Queen also disappears: they have Headlong in DropD). It’s even more difficult with metalheads. All the major groups either started out playing in lower tunings or switched to them over time. Well, again, Burzum and Darkthrone probably have everything in standard order.
Eb standard	EbAbDbGbBbEb	Jimi Hendrix, Stevie Ray Vaughan, Black Sabbath, Motorhead, Guns"n"Roses
D standard	DGCFAD	Death, Children Of Bodom, Nightwish, Gojira, Ghost, Nirvana in "Lithium", Metallica in "Sad But True"
C# standard	C#BEG#	Black Sabbath on the album "Master Of Reality", My Dying Bride, Limp Bizkit Dying Fetus
C standard	CFBbEbGC	Dethklok, High on Fire, In Flames, Queens of the Stone Age, Kyuss
B standard	BEADF	Amon Amarth, Crowbar, Soilwork, Carcass, Type O Negative, Sepultura in "Roots"
Bb standard	BbEbAbDbFBb	Cannibal Corpse in "Blowtorch Slaughter"
A standard	ADGCEA	KYPCK

Some groups (Placebo, Vektor), on the contrary, raise the standard tuning by a semitone. Johnny Marr of the Smiths used a tuning a step higher than standard on some songs ("This Charming Man").

+ Standard tuning is the ideal compromise between range and ease of playing chords and melodies. Friendly with many tonalities. This is done especially clearly after you try several alternative tunings: many of them are better than the standard one in one of the parameters, but they are necessarily worse in another or several. The standard has become a standard for a reason - it is the most practical and universal.
– Sometimes you want something different)

Drop tunings

Drop tuning is a standard tuning with the sixth string lowered a tone.
They are named after the open note produced on the sixth string. For example, DropD is DADGBE.

+ Range extension down, power chords with one finger, and their extensions up (like 447454), the first five strings are tuned as in the standard - play solos as much as you want
– Slightly less versatility than standard tuning. The increased “gap” between the 5th and 6th strings somewhat limits play in the lower range.
To try: DropD (DADGBE)

Open formations

They are obtained when all the strings are tuned to the notes of a chord. Usually major or minor. They are called by the name of the chord. There is no clear connection between the name of the system and the system. For example, " open A major" is any tuning where there are open strings A, C# and E (and no others). It could be EEAAC And EAC#AC or even reduced AEAEAC#.

The most common options:

5-7-5-4-3

Open G	DGDGBD	Rolling Stones in "Brown Sugar" and "Start Me Up", Alter Bridge in "Watch Over You"
Open A:	EEAAC	Led Zeppelin in "In My Time of Dying", White Stripes in "Seven Nation Army"
Open F:	CFCFAC	Led Zeppelin in "When the Levee Breaks"

7-5-4-3-5

Open D	DADF#AD	Joni Mitchell in Big Yellow Taxi
Open E	EBEG#BE	Derek Trucks

7-5-7-5-4

>

Open C	CGCGCE	Devin Townsend
Open B	BF#BF #BD #

To try: Open G, Open D, Open C

+ Suitable for playing with a slide
– They are friendly to one or two keys, but can be very uncomfortable in others, and are not always friendly with scale-like passages.

Modal scales

That's what they call it open formations, based on a chord that is not major or minor. Typically this is a sus2 or sus4 chord.

The most famous of them is the “Celtic tuning” (opened by Dsus4):

Standard option - DADGAD(Led Zeppelin in "Kashmir", Staind in "Epiphany"). Lowered versions of this tuning were used by Mark Tremonti in Creed and Alter Bridge, Russian Circles and Sevendust.

Drone formations

Tunings where all or almost all the strings are tuned to the same note (not necessarily the same octave).

DDDDD- The Velvet Underground in "Venus In Furs"
BDDDDD- Goo Goo Dolls in "Iris"

+ Very different
– Very specific

"Seven-string without a sixth"

This is a standard tuning in which the sixth string is lowered not by a tone, as in drop tunings, but by 5 semitones. It turns out like a seven-string with a missing sixth string. And the fingering, which usually gives a fifth on the 5th and 6th strings, now gives an octave.

+ Fingerings can be moved anywhere on the fingerboard without having to adjust them. Complete symmetry.
– You'll have to forget about open chords and barre chords.
To try: EADGCF or D #BE (if you don’t want to tune the first and second strings higher)

Fifth scale (all Fifths)

Each next string is a fifth (7 semitones) higher than the previous one.

One of the main versions is CGDAEB. The lower C then turns out not too low for acoustics, but the upper B turns out to be very high - a fifth higher than the standard upper E. On a guitar with a standard scale and ordinary strings, this B is unattainable: the string will simply break before reaching it.
This guy from YouTube carefully used a very thin string to get the upper B.
A this put it on classical guitar instead of the first string, fishing line with a cross section of 0.5 mm, in combination with five nylon strings from the regular kit.

The other extreme is to start with a standard high E and work fifths down from there. It will work out FCGDAE, the first string is as in standard tuning, and the sixth is almost an octave lower than the sixth in standard tuning. This is too low to produce clean notes on a standard scale guitar with this string. You will need a baritone or multi-scale guitar.

+ Complete symmetry, as in the fourth tuning. Huge range (almost an octave wider than standard tuning).
– You need a custom set of strings and a willingness to make compromises (or order an instrument with a multi-scale). You'll have to forget about small intervals and chords in which the notes are close to each other. Playing scales and melodies will require increased stretching.

By the way, a mandolin is tuned to fifth tuning ( GDAE), and that's it bowed instruments, except double bass: for example, violin in GDAE, and the cello in СGDA. In addition, there are four-string tenor guitars which have 4 strings and are tuned in fifth tuning CGDA.

"New Standard Tuning"

A tuning invented by Robert Fripp to solve the problem of the fifth tuning. He replaced the top fifth with a minor third, and it turned out CGDAEG. Upper Sol is also high, but already achievable. Can be used standard strings 9 or 10 gauge. But it’s better to assemble a custom kit.

"Nashville tuning"

-8 in the formula means that the 2nd string is tuned not higher than the third, but 8 semitones LOWER. “Nashville tuning” usually works out like this: we take a set of strings for a 12-string and put only the “thin” half of it on the 6-string, tuning it in the same way as on a 12-string. Now the first and second strings are tuned the same as in standard tuning, and all the others are tuned an octave higher. The result is a “ringing” tuning with a reduced range, in which some notes in the chords will be duplicated. This tuning is suitable for overdubs and any additional parts. For example, you can record the same chord part on a 6-string in standard tuning and the same chord in Nashville tuning. In essence, it turned out to be a 12-string, but the only difference is that this is not one performance, but two slightly different ones, which will give more volume, besides, these are two separate tracks and can be panned in different directions.

Double-drop tunings

They are obtained when, in standard tuning, not only the sixth, but also the first string is lowered by a tone.

Double Drop D	DADGBD	Neil Young on "Cortez The Killer", Led Zeppelin on "Going To California"
Double Drop B	BF#BEG	Isis

To try: DADGBD. It's funny that this system is “one step away” from each of the three above - DropD (DADGBE), Open G (DGDGBD) and DADGAD.

Now about the seven-string guitar.

The standard seven-string tuning is a six-string E standard plus a 7th string in B.

Seven string B standard	BEADGBE	Dream Theater in "Caught In A Web", Steve Vai in "Riddle", Joe Satriani in "Mind Storm", Fallujah
Seven string Bb standard	BbEbAbDbGbBbEb	Morbid Angel, early Meshuggah, Nevermore
Seven string A standard	ADGCFA	Fear Factory, Korn
Seven string Ab standard	AbDbGbBEAbDb	Deftones on "Hexagram"

Seven-string Drop tuning is a seven-string standard in which the seventh string is lowered a tone.

Seven-string DropA	AEADGBE	Suicide Silence, Whitechapel, later Scar Symmetry. Jazz guitarist George Van Eps, who played a seven-string electric guitar back in the 60s, also used this tuning.
Seven-string DropAb	AbEbAbDbGbBbEb	Periphery on seven-string songs
Seven-string DropG	GDGCFAD	Vildhjarta, Emmure
Seven-string DropF#	F#BEG#	Rivers Of Nihil, Deftones on Saturday Night Wrist album
Seven-string DropD	DADGCEA	Black Tongue

Some people take the six-string drop tuning and add a seventh string from the bottom. It can be a third lower:

Six-string DropD + low B	BDADGBE	Animals As Leaders in "Cafo"
Six-string Drop C# + low A#	A

In the previous article, the issue of low tuning guitar. In this article I would like to discuss it in more detail.
Let me remind you that the standard tuning of a six-string electric guitar is: E[E]-A[A]-De[D]-G[G]-B[H]-E[E], starting from the sixth string. Let's look at the prerequisites for switching to a different guitar tuning. Down tuning is used in extreme music to create a tighter, heavier and more powerful sound. You can also give an example of when musicians playing in rock bands decide to use a lower tuning to make it easier for the vocalist to sing. That is, they adapt to a certain person and a certain style of music. By the way, you can also raise the tuning of the guitar, adapting to the singer’s vocal abilities. Also, the use of a low guitar tuning is due to a different chord fingering. That is, the tuning of the guitar is selected for the convenience of playing chords.

Using low tuning electric guitars, naturally, the string tension will decrease and thin strings may simply hang. Therefore, you need to select thicker sets of strings.
I can say that there are quite a lot of options for tuning a guitar. We'll look at a few common ones. Using their examples, you can choose the optimal system for yourself or come up with your own.

1. Lower by half a tone. In this case, the system becomes as follows: Re#-Sol#-Do#-Fa#-Aa#-Re#.
2. Lower by tone. Guitar tuning: D[D]-G[G]-Do[C]-F[F]-A[A]-D[D].
3. A formation called "Drop D". In this case, only the sixth string is lowered by tone: Re[D]-A[A]-Re[D]-Sol[G]-Bi[H]-Mi[E]. In this case, there is a fifth between the sixth and fifth strings and you can play various riffs by pressing these two strings with one finger.

Guitar tuning: Drop D

4. Build called "Drop C". The sixth string is lowered by two tones. The remaining strings are one tone. Then the guitar tuning looks like this: Do[C]-G[G]-Do[C]-Fa[F]-A[A]-D[D]. The tuning is lower than described above, but similarly you can play chords on two low strings with one finger.

Guitar Tuning: Drop C

5. And in conclusion, let's look at one more system. I remember him from the song Kashmir by Led Zeppelin. It looks like this: Re[D]-A[A]-Re[D]-Sol[G]-A[A]-Re[D].

Led Zeppelin

And he even posted it, albeit in English.
In general, today I decided to touch on this topic again and consider the most common of them.

It wouldn't hurt to remind you of simple things. If you decide to tune lower, then it is better to take a thicker one, otherwise in some Dropped the usual nine will just dangle and ring on the frets. If you decide to make the tuning of your guitar higher, then in this case you can take thinner strings, because Large gauge strings, in this case, can be very tight. Well, no one has canceled the excess load on the bar either.

Also, if there is a radical change in the system, be prepared to do it again, although you may not have to do this.

So, let's go.

Standard tuning: E-A-D-g-b-e

In standard guitar tuning All the intervals between the strings are perfect fourths (five semitones), with the exception of the interval between the third string (g) and the second string (b), which is a major third (four semitones).

Down a semitone: Eb-Ab-Db-gb-bb-eb

This guitar tuning is also called "Eb" - based on the note to which the thickest string is tuned. Tuning the guitar is exactly the same as in standard tuning. The sound intervals between the strings remain exactly the same, but each string is tuned exactly one semitone lower than the standard tuning. Eb tuning can be used for many reasons, such as making the strings softer and bending easier, or to better suit a singer's vocal range. There can be many reasons. This tuning was used by Jimi Hendrix and Stevie Ray Vaughan.

On whole tone down: D-G-C-f-a-d

This tuning is also called “Tuning D” - based on the note to which the thickest string is tuned. Everything is the same as in the previous case, except that each string is tuned a tone lower than the standard tuning. This tuning is used for the same reasons as the “E?” tuning, it causes the strings to sag even more and makes bending even easier. At this point I would think about using thicker gauge strings.
If this is not enough for you, then you can continue further. Those. lower or lower each string at an equal interval relative to the standard tuning. The algorithm is simple, the main thing is to choose the appropriate size strings.

Drop-D: D-A-d-g-b-e

Drop-D is probably one of the most popular tunings in hard rock, alternative and other motherfuckers. By the way, folk guitarists do not disdain them either. Although they are, in general, big fans of alternative and non-standard guitar tunings.
By lowering the low E string one step to D, we can make power chords easier to play. Now they can be played with one finger, simply by plucking three thick strings, the 4th, 5th and 6th, respectively. Drop-D build gives a meatier sound and expands the overall range of the guitar towards the bottom relative to the standard tuning.
By the way, this system does not require a large and lengthy restructuring, which allows you to change the system right on the fly, with the proper skill, of course.
To facilitate this procedure, a special device was even invented and made - the D Tuner, which will allow you to literally rebuild the sixth string in a second.

Double Drop-D: D-A-d-g-b-d

Double drop D is Neil Young's favorite tuning. It is identical to the regular Drop-D, except that the high e is also lowered one tone from the standard tuning - to d. With this setup, it turns out that the 4th high strings form a G major chord, and this can be convenient when playing with a slide. This tuning is also quite quick and easy to get from the standard one.

Drop-C: C-G-c-f-a-d

This tuning will help make your guitar sound lower and meatier when overdriven. This tuning is achieved by first tuning the guitar a tone lower than standard, and then lowering the 6th string another tone.
Quite low, don't you think? With this tuning, thicker strings are clearly needed. Thin ones will obviously hang around like snot.
In general, the technique is simple. We already understand what Drop is. But whether to lower it by one tone, 2 or more - that’s up to you. Everything will depend on the gauge of the strings and your desire.

Tuning D5: D-A-d-d-d-d

This system is classified as open formations, because If all the strings are open, the chord D5 sounds. This tuning is quite often used when playing slide. To get this tuning you need to lower the 3rd string by 5 semitones, raise the 2nd string by 3 semitones and lower the 1st string by a tone.
There are variations of this tuning in which the 3rd string is raised to A instead of lowered to D. This gives two fifths of a step in different octaves, which gives the sound some depth.

Ostrich formation: D-D-d-d-d-d

In this tuning, all strings are tuned to the same note. Lou Reed is said to have invented this tuning while he was with the Velvet Underground. Important note: With this tuning, you will definitely need to build your own set of strings.

I guess I'll stop for today. This, of course, is all alternative and non-standard guitar tunings are not exhausted.
I think I’ll throw in a dozen more soon.