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String Instruments Chords Database.

Home Page: https://tombatossals.github.io/react-chords/

License: MIT License

JavaScript 100.00%

guitar ukulele ukulele-chords guitar-chords

chords-db's People

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jameshulse valentinradu lukasduell cenllv godjira pascal-mugnier-sonarsource generaldev1 guitarchord gabrielfava fusionprogguy rockyplum gusblacknails aerjotl anagent ericgrivilers qntnt hovi jdekozak mscart mohasalama beaunouvelle jcassani tom7 marayana ggeremy leojarina kimi-arthur mytone-app smilganir onwd mightyme04 mike-casey berkecakir dnbaumann keyzog noise-labs jacke themanfromearth1 ernpao g7design-fr ksquaredk huge11 nksgw11 giohappy imagproc thomasl0433 psycodex quangchien0212 pablosaavedra chromatone emlyn rubikplayer benjohnston darvey tomnattle h2-hudba gulmensedat mdltesting petersun94 moughrook nickcrowney andeeplus leandrodaher natsoe420 aldobff rruy stainedmentor kelvintian fingerstyle-taiwan plumvillagesongs hmsdigindo tadejkan bnema chordbook snowmanstark alwaz-shahid k7lim benjylxwang mattrobineau liweican1992 ramonsoul10 chaostong owex davidracl lexantus dantedaemon jonbae brianredbeard claudemircasa yarzarmyomin97 jthawme janjs johannydls olvidalo popret garawaa

chords-db's Issues

Em/D# and similar chords

Hi, I created a little tool based on your chord collection database, so very big thanks for your work!
Today I wanted to create a tab that contains many chords like Em/D#, Em/D, Em/C#, however I cannot find these chords in the database. Is there a possibility to add these chords to the collection?

Many of the barre chords are incorrect

Many of the barre chords are incorrect. The situation is a little complex because although one would place you finger across the entire fret board you wouldn't strum all the strings.

For example in the Readme the correct Dsus2 barre chord fret is correctly written in the as '55775x' but if you look in the db its listed as '557755'. For example the Bmin barre chord should be '22443x' but in the db it is '224432'. Many of the barre chord where it crosses the whole fret board but only a subset of the strings are used are written this way.

I would be happy to go through and try to correct these but I am not sure if you want them as a variation of the chord or just change them.

What to do after install?

Hi guys, i think i have installed everything now but not sure what to do next.
Do i make an index.html and add some script to it or?

On guitar all of the B chords are actually A chords

The guitar chords for the key of B are incorrect. The current ones are showing the corresponding A chords. I checked for all of the suffixes and for various positions.

For example this B major is actually an A major: https://github.com/tombatossals/chords-db/blob/master/src/db/guitar/chords/B/major.js.

Slash chords doesn't appear on the UI

Hi,
I've just observed that slash chords doesn't appear on the user interface, for example: https://tombatossals.github.io/react-chords/guitar/C/_E;
Could you check it please?

Basic Chords A#, D# and G# Doesn't Exist

This project is great with the many chords you provided.
I cannot find basic chords for A#, D#, and G#, or do they have another name in the chords database?

Cm11 and CM11 are the same on guitar

Both Cm11 and CM11 as showing up as the same notes on guitar. I'm not sure which is incorrect:

https://github.com/tombatossals/chords-db/blob/master/src/db/guitar/chords/C/maj11.js
https://github.com/tombatossals/chords-db/blob/master/src/db/guitar/chords/C/m11.js

ukelele or ukulele?

Hey thanks a lot for this library.

I noticed you spell ukulele as ukelele in e.g. lib/ukelele.json and in lib/instruments.json (haven't taken a look in src/). Regardless of whether ukelele is a correct spelling, I think it's a very good idea to s/ukelele/ukulele/g as it is still the most widely used spelling.

Support for multiple barres

it seems that a single integer representation for a Barre does not support real world needs for example a bar that only covers 3 strings or multiple barres in one chord

such as

Using svguitar I would draw that with

How would such a chord be represented using the format for this DB?

feature request - typescript supports

hi:
I am try to use chord-db into typescript, did anyone have a exists .d.ts file ?

Wrong finger data for C#sus4 & C#sus2

Hi there!

I think I found a little issue with some of the finger data for the C#sus4 and C#sus2 chords, where the finger is 0 even on active frets. That issue can be seen on the Chords Database page: https://tombatossals.github.io/react-chords/guitar/Csharp/sus4

Thanks so much for what you're doing with this project!
Seb

Is the first C major correct?

I'm not an expert, but the first C major chord looks a bit strange to me:

      frets: '332010',
      fingers: '342010'

I usually play it like this:

      frets: 'x32010',
      fingers: '032010'

Your variant looks more like a 'C/G' to me. What do you think?

Are you still working on this repo?

I would love to contribute if you are. I have a website based on guitar chords, though I haven't created new content in a while: Every Guitar Chord

Incorrect guitar chords

Hey,

I liked this db and decided to use it in my app. I found however, that there are some mistakes in the database. I created script, that checked fingerings against what's in database and this is output I got. Some of it may be just cause you have different naming of chords or I have some of chord rules wrong, but there are definitely errors. I am excluding problems with missing perfect fifth as that is pretty common thing to do. Also I haven't checked all chord types as I don't have them in script. In case of interest, I can keep on updating this output or change it's format as I add more chord types to my app. Anyway, there is my output:

C(9) [2, 4, 2, 1, 2, 4] (6) [C, G, AIS, D, G, D]:
missing intervals [MAJOR_THIRD] ([E])
C11 [-1, 3, 2, 3, 1, 1] (0) [C, E, AIS, C, F]:
missing intervals [MAJOR_SECOND] ([D])
C11 [-1, 1, 1, 1, 3, 1] (2) [C, F, AIS, E, G]:
missing intervals [MAJOR_SECOND] ([D])
C11 [1, 1, 1, 2, 1, 1] (7) [C, F, AIS, E, G, C]:
missing intervals [MAJOR_SECOND] ([D])
CM11 [-1, 3, 3, 0, 0, 0] (0) [C, F, G, H, E]:
missing intervals [MAJOR_SECOND] ([D])
CM11 [3, 2, 4, 0, 1, 0] (5) [C, E, H, G, F, E]:
missing intervals [MAJOR_SECOND] ([D])
CM11 [1, 1, 2, 2, 1, 1] (7) [C, F, H, E, G, C]:
missing intervals [MAJOR_SECOND] ([D])
Cm11 [-1, 3, 3, 3, 4, 3] (0) [C, F, AIS, DIS, G]:
missing intervals [MAJOR_SECOND] ([D])
Cm(M11) [3, 3, 3, 4, 4, 3] (0) [G, C, F, H, DIS, G]:
missing intervals [MAJOR_SECOND] ([D])
Cm(M11) [-1, -1, 1, 1, 3, 2] (9) [C, F, H, DIS]:
missing intervals [MAJOR_SECOND] ([D])
C#aug [-1, 4, 4, 4, 2, 2] (0) [CIS, FIS, H, CIS, FIS]:
missing intervals [MAJOR_THIRD, AUGMENTED_FIFTH] ([F, A])
extra tones [F#, B, F#] 
C#aug [1, 1, 3, 1, 4, 1] (3) [GIS, CIS, GIS, H, FIS, GIS]:
missing intervals [MAJOR_THIRD, AUGMENTED_FIFTH] ([F, A])
extra tones [G#, G#, B, F#, G#] 
C#7(b5) [-1, -1, 1, 2, 2, 3] (11) [D, GIS, C, FIS]:
missing intervals [PERFECT_UNISON, MAJOR_THIRD, DIMINISHED_FIFTH, MINOR_SEVENTH] ([C#, F, G, B])
extra tones [D, G#, C, F#] 
C#7(-9) [-1, -1, 1, 2, 1, 2] (8) [H, F, GIS, D]:
missing intervals [PERFECT_UNISON] ([C#])
C#11 [-1, 4, 3, 0, 0, 4] (0) [CIS, F, G, H, GIS]:
missing intervals [MAJOR_SECOND, PERFECT_FOURTH] ([D#, F#])
extra tones [G] 
C#11 [-1, 1, 2, 1, 3, 1] (3) [CIS, G, H, F, GIS]:
missing intervals [MAJOR_SECOND, PERFECT_FOURTH] ([D#, F#])
extra tones [G] 
C#11 [2, 1, 2, 1, 1, 2] (7) [CIS, F, H, DIS, G, CIS]:
missing intervals [PERFECT_FOURTH] ([F#])
extra tones [G] 
C#11 [1, 2, 1, 2, 1, 1] (8) [CIS, G, H, F, GIS, CIS]:
missing intervals [MAJOR_SECOND, PERFECT_FOURTH] ([D#, F#])
extra tones [G] 
C#M11 [-1, 3, 2, 4, 1, 1] (1) [CIS, F, C, CIS, FIS]:
missing intervals [MAJOR_SECOND] ([D#])
C#M11 [1, 1, 1, 2, 3, 1] (3) [GIS, CIS, FIS, C, F, GIS]:
missing intervals [MAJOR_SECOND] ([D#])
C#M11 [3, 2, -1, -1, 1, 2] (6) [CIS, F, FIS, C]:
missing intervals [MAJOR_SECOND] ([D#])
C#M11 [1, 1, 2, 2, 1, 1] (8) [CIS, FIS, C, F, GIS, CIS]:
missing intervals [MAJOR_SECOND] ([D#])
C#m11 [-1, 4, 2, 4, 2, 2] (0) [CIS, E, H, CIS, FIS]:
missing intervals [MAJOR_SECOND] ([D#])
C#m11 [-1, -1, 1, 1, 2, 2] (10) [CIS, FIS, H, E]:
missing intervals [MAJOR_SECOND] ([D#])
C#m(M11) [1, 1, 1, 2, 2, 1] (3) [GIS, CIS, FIS, C, E, GIS]:
missing intervals [MAJOR_SECOND] ([D#])
C#m(M11) [-1, -1, 1, 1, 3, 2] (10) [CIS, FIS, C, E]:
missing intervals [MAJOR_SECOND] ([D#])
D11 [-1, -1, 0, 0, 1, 2] (0) [D, G, C, FIS]:
missing intervals [MAJOR_SECOND] ([E])
D11 [-1, 3, 2, 3, 1, 1] (2) [D, FIS, C, D, G]:
missing intervals [MAJOR_SECOND] ([E])
D11 [-1, 1, 1, 1, 3, 1] (4) [D, G, C, FIS, A]:
missing intervals [MAJOR_SECOND] ([E])
D11 [-1, 3, 1, 1, 2, 2] (6) [FIS, A, D, G, C]:
missing intervals [MAJOR_SECOND] ([E])
D(M9) [-1, 2, 1, 3, 1, -1] (3) [D, FIS, CIS, DIS]:
missing intervals [MAJOR_SECOND] ([E])
extra tones [D#] 
DM11 [-1, -1, 0, 0, 2, 2] (0) [D, G, CIS, FIS]:
missing intervals [MAJOR_SECOND] ([E])
DM11 [1, 1, 1, 2, 3, 1] (4) [A, D, G, CIS, FIS, A]:
missing intervals [MAJOR_SECOND] ([E])
DM11 [-1, 3, 0, 1, 2, 3] (6) [FIS, D, D, G, CIS]:
missing intervals [MAJOR_SECOND] ([E])
DM11 [1, 1, 2, 2, 1, 1] (9) [D, G, CIS, FIS, A, D]:
missing intervals [MAJOR_SECOND] ([E])
Dm11 [-1, -1, 0, 0, 1, 1] (0) [D, G, C, F]:
missing intervals [MAJOR_SECOND] ([E])
DmM7 [-1, 4, 2, 1, 1, 0] (1) [D, F, A, CIS, E]:
extra tones [E] 
Dm(M11) [-1, -1, 0, 0, 2, 1] (0) [D, G, CIS, F]:
missing intervals [MAJOR_SECOND] ([E])
Dm(M11) [1, 1, 1, 3, 3, 1] (4) [A, D, G, D, FIS, A]:
missing intervals [MINOR_THIRD, MAJOR_SEVENTH, MAJOR_SECOND] ([F, C#, E])
extra tones [F#] 
D#7(b5) [-1, 1, 2, 1, 3, 1] (5) [DIS, A, CIS, G, AIS]:
extra tones [A#] 
D#11 [-1, 3, 2, 3, 1, 1] (3) [DIS, G, CIS, DIS, GIS]:
missing intervals [MAJOR_SECOND] ([F])
D#11 [0, 1, 1, 1, 3, 1] (5) [E, DIS, GIS, CIS, G, AIS]:
missing intervals [MAJOR_SECOND] ([F])
extra tones [E] 
D#11 [1, 1, 1, 2, 1, 1] (10) [DIS, GIS, CIS, G, AIS, DIS]:
missing intervals [MAJOR_SECOND] ([F])
D#(M9) [-1, -1, 2, 2, 1, 3] (10) [D, G, AIS, F]:
missing intervals [PERFECT_UNISON] ([D#])
D#M11 [-1, -1, 1, 1, 3, 3] (0) [DIS, GIS, D, G]:
missing intervals [MAJOR_SECOND] ([F])
D#M11 [-1, 3, 2, 4, 1, 1] (3) [DIS, G, D, DIS, GIS]:
missing intervals [MAJOR_SECOND] ([F])
D#M11 [1, 1, 1, 2, 3, 1] (5) [AIS, DIS, GIS, D, G, AIS]:
missing intervals [MAJOR_SECOND] ([F])
D#M11 [1, 1, 2, 2, 1, 1] (10) [DIS, GIS, D, G, AIS, DIS]:
missing intervals [MAJOR_SECOND] ([F])
D#m(9) [-1, -1, 2, 4, 1, 3] (6) [AIS, F, FIS, CIS]:
missing intervals [PERFECT_UNISON] ([D#])
D#m69 [3, 1, 2, 2, 1, 1] (8) [DIS, FIS, C, F, GIS, CIS]:
extra tones [G#, C#] 
D#m11 [-1, -1, 1, 1, 2, 2] (0) [DIS, GIS, CIS, FIS]:
missing intervals [MAJOR_SECOND] ([F])
D#-(maj9) [1, 4, 3, 2, 1, 1] (5) [AIS, FIS, AIS, D, F, AIS]:
missing intervals [PERFECT_UNISON] ([D#])
D#m(M11) [-1, 1, 1, 1, 3, 2] (0) [AIS, DIS, GIS, D, FIS]:
missing intervals [MAJOR_SECOND] ([F])
D#m(M11) [1, 1, 1, 2, 2, 1] (5) [AIS, DIS, GIS, D, FIS, AIS]:
missing intervals [MAJOR_SECOND] ([F])
E11 [-1, 3, 2, 3, 1, 1] (4) [E, GIS, D, E, A]:
missing intervals [MAJOR_SECOND] ([F#])
E11 [-1, 1, 1, 1, 3, 1] (6) [E, A, D, GIS, H]:
missing intervals [MAJOR_SECOND] ([F#])
E(M9) [-1, -1, 1, 3, 1, 3] (8) [H, FIS, GIS, DIS]:
missing intervals [PERFECT_UNISON] ([E])
EM11 [0, 0, 1, 1, 0, 0] (0) [E, A, DIS, GIS, H, E]:
missing intervals [MAJOR_SECOND] ([F#])
EM11 [0, 0, 3, 1, 1, 2] (3) [E, A, GIS, H, DIS, A]:
missing intervals [MAJOR_SECOND] ([F#])
EM11 [1, 1, 1, 2, 3, 1] (6) [H, E, A, DIS, GIS, H]:
missing intervals [MAJOR_SECOND] ([F#])
EM11 [0, 3, 1, 1, 2, 3] (8) [E, GIS, H, E, A, DIS]:
missing intervals [MAJOR_SECOND] ([F#])
Em11 [0, 0, 3, 2, 1, 0] (2) [E, A, G, H, D, E]:
missing intervals [MAJOR_SECOND] ([F#])
Em(M11) [-1, 2, 2, 2, 4, 3] (0) [H, E, A, DIS, G]:
missing intervals [MAJOR_SECOND] ([F#])
Em(M11) [1, 1, 1, 2, 2, 1] (6) [H, E, A, DIS, G, H]:
missing intervals [MAJOR_SECOND] ([F#])
Em(add2) [-1, -1, 3, 1, 1, 3] (0) [F, GIS, C, G]:
missing intervals [PERFECT_UNISON, MAJOR_SECOND] ([E, F#])
extra tones [F, G#, C] 
Em(add2) [-1, 4, 2, 1, 4, -1] (4) [F, GIS, C, G]:
missing intervals [PERFECT_UNISON, MAJOR_SECOND] ([E, F#])
extra tones [F, G#, C] 
Em(add2) [-1, 3, 1, 0, 1, 3] (5) [F, GIS, G, F, C]:
missing intervals [PERFECT_UNISON, MAJOR_SECOND] ([E, F#])
extra tones [F, G#, F, C] 
Em(add2) [-1, 1, 3, 0, 2, 1] (7) [F, C, G, GIS, C]:
missing intervals [PERFECT_UNISON, MAJOR_SECOND] ([E, F#])
extra tones [F, C, G#, C] 
F11 [1, 1, 1, 2, 1, 1] (0) [F, AIS, DIS, A, C, F]:
missing intervals [MAJOR_SECOND] ([G])
F11 [-1, 3, 2, 3, 1, 1] (5) [F, A, DIS, F, AIS]:
missing intervals [MAJOR_SECOND] ([G])
F11 [-1, 1, 1, 1, 3, 1] (7) [F, AIS, DIS, A, C]:
missing intervals [MAJOR_SECOND] ([G])
F(M9) [-1, -1, 2, 2, 1, 3] (0) [E, A, C, G]:
missing intervals [PERFECT_UNISON] ([F])
F(M9) [-1, -1, 1, 3, 1, 3] (9) [C, G, A, E]:
missing intervals [PERFECT_UNISON] ([F])
FM11 [1, 1, 2, 2, 1, 1] (0) [F, AIS, E, A, C, F]:
missing intervals [MAJOR_SECOND] ([G])
FM11 [-1, -1, 1, 1, 3, 3] (2) [F, AIS, E, A]:
missing intervals [MAJOR_SECOND] ([G])
FM11 [1, 1, 1, 2, 3, 1] (7) [C, F, AIS, E, A, C]:
missing intervals [MAJOR_SECOND] ([G])
Fm11 [-1, -1, 3, 3, 4, 4] (0) [F, AIS, DIS, GIS]:
missing intervals [MAJOR_SECOND] ([G])
Fm(M11) [-1, 1, 1, 1, 3, 2] (2) [C, F, AIS, E, GIS]:
missing intervals [MAJOR_SECOND] ([G])
Fm(M11) [1, 1, 1, 2, 2, 1] (7) [C, F, AIS, E, GIS, C]:
missing intervals [MAJOR_SECOND] ([G])
F#11 [-1, 3, 2, 3, 1, 1] (6) [FIS, AIS, E, FIS, H]:
missing intervals [MAJOR_SECOND] ([G#])
F#11 [-1, 1, 1, 1, 3, 1] (8) [FIS, H, E, AIS, CIS]:
missing intervals [MAJOR_SECOND] ([G#])
F#M11 [2, 2, 3, 3, 2, 2] (0) [FIS, H, F, AIS, CIS, FIS]:
missing intervals [MAJOR_SECOND] ([G#])
F#M11 [-1, -1, 1, 1, 3, 3] (3) [FIS, H, F, AIS]:
missing intervals [MAJOR_SECOND] ([G#])
F#M11 [-1, 2, 1, 3, 0, 2] (7) [FIS, AIS, F, H, CIS]:
missing intervals [MAJOR_SECOND] ([G#])
F#M11 [1, 1, 1, 2, 3, 1] (8) [CIS, FIS, H, F, AIS, CIS]:
missing intervals [MAJOR_SECOND] ([G#])
F#m(9) [-1, -1, 2, 4, 1, 3] (9) [CIS, GIS, A, E]:
missing intervals [PERFECT_UNISON] ([F#])
F#m11 [-1, -1, 1, 1, 2, 2] (3) [FIS, H, E, A]:
missing intervals [MAJOR_SECOND] ([G#])
F#m(M11) [-1, 1, 1, 1, 3, 2] (3) [CIS, FIS, H, F, A]:
missing intervals [MAJOR_SECOND] ([G#])
F#m(M11) [1, 1, 1, 2, 2, 1] (8) [CIS, FIS, H, F, A, CIS]:
missing intervals [MAJOR_SECOND] ([G#])
G11 [3, 2, 0, 0, 1, 1] (0) [G, H, D, G, C, F]:
missing intervals [MAJOR_SECOND] ([A])
G11 [-1, 3, 2, 3, 1, 1] (7) [G, H, F, G, C]:
missing intervals [MAJOR_SECOND] ([A])
G11 [-1, 1, 1, 1, 3, 1] (9) [G, C, F, H, D]:
missing intervals [MAJOR_SECOND] ([A])
G(M9) [-1, -1, 2, 2, 1, 3] (2) [FIS, H, D, A]:
missing intervals [PERFECT_UNISON] ([G])
GM11 [3, 3, 4, 4, 3, 3] (0) [G, C, FIS, H, D, G]:
missing intervals [MAJOR_SECOND] ([A])
GM11 [-1, -1, 3, 0, 1, 2] (6) [H, G, FIS, C]:
missing intervals [MAJOR_SECOND] ([A])
GM11 [1, 1, 1, 2, 3, 1] (9) [D, G, C, FIS, H, D]:
missing intervals [MAJOR_SECOND] ([A])
Gm11 [3, -1, 3, 3, 1, -1] (0) [G, F, AIS, C]:
missing intervals [MAJOR_SECOND] ([A])
Gm11 [-1, -1, 1, 1, 3, 3] (4) [G, C, FIS, H]:
missing intervals [MINOR_THIRD, MINOR_SEVENTH, MAJOR_SECOND] ([A#, F, A])
extra tones [F#, B] 
Gm(M11) [-1, 1, 1, 1, 3, 2] (4) [D, G, C, FIS, AIS]:
missing intervals [MAJOR_SECOND] ([A])
Gm(M11) [1, 1, 1, 2, 2, 1] (9) [D, G, C, FIS, AIS, D]:
missing intervals [MAJOR_SECOND] ([A])
Gadd2 [-1, -1, 3, 2, 1, 4] (0) [F, A, C, GIS]:
missing intervals [PERFECT_UNISON, MAJOR_THIRD] ([G, B])
extra tones [F, C, G#] 
G#+(9) [-1, -1, 1, 2, 2, 3] (3) [FIS, C, E, AIS]:
missing intervals [PERFECT_UNISON] ([G#])
G#7(-9) [-1, -1, 1, 2, 1, 2] (3) [FIS, C, DIS, A]:
missing intervals [PERFECT_UNISON] ([G#])
G#11 [1, 1, 1, 2, 1, 1] (3) [GIS, CIS, FIS, C, DIS, GIS]:
missing intervals [MAJOR_SECOND] ([A#])
G#11 [-1, 3, 2, 3, 1, 1] (8) [GIS, C, FIS, GIS, CIS]:
missing intervals [MAJOR_SECOND] ([A#])
G#11 [-1, 1, 1, 1, 3, 1] (10) [GIS, CIS, FIS, C, DIS]:
missing intervals [MAJOR_SECOND] ([A#])
G#M11 [4, 3, 1, 0, 2, -1] (0) [GIS, C, DIS, G, CIS]:
missing intervals [MAJOR_SECOND] ([A#])
G#M11 [1, 1, 2, 2, 1, 1] (3) [GIS, CIS, G, C, DIS, GIS]:
missing intervals [MAJOR_SECOND] ([A#])
G#M11 [-1, -1, 1, 1, 3, 3] (5) [GIS, CIS, G, C]:
missing intervals [MAJOR_SECOND] ([A#])
G#M11 [1, 1, 1, 2, 3, 1] (10) [DIS, GIS, CIS, G, C, DIS]:
missing intervals [MAJOR_SECOND] ([A#])
G#m11 [-1, -1, 1, 1, 2, 2] (5) [GIS, CIS, FIS, H]:
missing intervals [MAJOR_SECOND] ([A#])
G#m(M11) [-1, 1, 1, 1, 3, 2] (5) [DIS, GIS, CIS, G, H]:
missing intervals [MAJOR_SECOND] ([A#])
G#m(M11) [1, 1, 1, 2, 2, 1] (10) [DIS, GIS, CIS, G, H, DIS]:
missing intervals [MAJOR_SECOND] ([A#])
Adim [3, 1, -1, 2, 1, -1] (2) [A, C, H, D]:
missing intervals [DIMINISHED_FIFTH] ([D#])
extra tones [B, D] 
A11 [-1, 0, 0, 0, 2, 0] (0) [A, D, G, CIS, E]:
missing intervals [MAJOR_SECOND] ([B])
A11 [1, 1, 1, 2, 1, 1] (4) [A, D, G, CIS, E, A]:
missing intervals [MAJOR_SECOND] ([B])
AM11 [-1, 0, 0, 2, 2, 4] (0) [A, D, A, CIS, GIS]:
missing intervals [MAJOR_SECOND] ([B])
Am11 [-1, 0, 0, 0, 1, 0] (0) [A, D, G, C, E]:
missing intervals [MAJOR_SECOND] ([B])
Am(M11) [-1, 0, 0, 1, 1, 0] (0) [A, D, GIS, C, E]:
missing intervals [MAJOR_SECOND] ([B])
Am(M11) [-1, 0, 1, 1, 3, 2] (6) [A, A, D, GIS, C]:
missing intervals [MAJOR_SECOND] ([B])
A#6 [-1, 4, 2, 2, 1, -1] (9) [AIS, CIS, FIS, A]:
missing intervals [MAJOR_THIRD, MAJOR_SIXTH] ([D, G])
extra tones [C#, F#, A] 
A#11 [-1, 1, 1, 1, 3, 1] (0) [AIS, DIS, GIS, D, F]:
missing intervals [MAJOR_SECOND] ([C])
A#11 [-1, 3, 2, 3, 1, 1] (10) [AIS, D, GIS, AIS, DIS]:
missing intervals [MAJOR_SECOND] ([C])
A#M11 [-1, 1, 1, 2, 3, 1] (0) [AIS, DIS, A, D, F]:
missing intervals [MAJOR_SECOND] ([C])
A#M11 [1, 1, 2, 2, 1, 1] (5) [AIS, DIS, A, D, F, AIS]:
missing intervals [MAJOR_SECOND] ([C])
A#M11 [-1, -1, 1, 1, 3, 3] (7) [AIS, DIS, A, D]:
missing intervals [MAJOR_SECOND] ([C])
A#m(9) [-1, -1, 2, 4, 1, 3] (1) [F, C, CIS, GIS]:
missing intervals [PERFECT_UNISON] ([A#])
A#m11 [-1, -1, 1, 1, 2, 2] (7) [AIS, DIS, GIS, CIS]:
missing intervals [MAJOR_SECOND] ([C])
A#m(M11) [-1, 1, 1, 2, 2, 1] (0) [AIS, DIS, A, CIS, F]:
missing intervals [MAJOR_SECOND] ([C])
A#m(M11) [-1, 1, 1, 1, 3, 2] (7) [F, AIS, DIS, A, CIS]:
missing intervals [MAJOR_SECOND] ([C])
Baug [-1, 3, 2, 1, 1, 0] (11) [H, DIS, G, H, E]:
extra tones [E] 
B11 [2, 2, 2, 2, 4, 2] (0) [FIS, H, E, A, DIS, FIS]:
missing intervals [MAJOR_SECOND] ([C#])
B11 [1, 1, 1, 2, 1, 1] (6) [H, E, A, DIS, FIS, H]:
missing intervals [MAJOR_SECOND] ([C#])
B(M9) [-1, -1, 1, 3, 1, 3] (3) [FIS, CIS, DIS, AIS]:
missing intervals [PERFECT_UNISON] ([B])
BM11 [2, 2, 2, 3, 4, 2] (0) [FIS, H, E, AIS, DIS, FIS]:
missing intervals [MAJOR_SECOND] ([C#])
BM11 [-1, -1, 1, 1, 3, 3] (8) [H, E, AIS, DIS]:
missing intervals [MAJOR_SECOND] ([C#])
Bm11 [-1, -1, 1, 1, 2, 2] (8) [H, E, A, D]:
missing intervals [MAJOR_SECOND] ([C#])
Bm(M11) [2, 2, 2, 3, 3, 2] (0) [FIS, H, E, AIS, D, FIS]:
missing intervals [MAJOR_SECOND] ([C#])
Bm(M11) [-1, 1, 1, 1, 3, 2] (8) [FIS, H, E, AIS, D]:
missing intervals [MAJOR_SECOND] ([C#])

What's was means char abc on frets field ?

examples:

A m7

xcabcc

how do you generate C/G?

Slash chords?

Where would you put a slash chord like C/G? Would you just add another suffix for C?

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