Guitar Chord Definitions

Definitions for guitar chords and keys.

Install

npm i guitar-chord-definitions

Chords

import chords from 'guitar-chord-definitions/dist/chords'

chords.find(({ shortName }) => shortName === 'A')

Output

{
  fullName: 'A major',
  shortName: 'A',
  strings: {
    6: doNotPlayString
  },
  frets: {
    2: {
      2: 3,
      3: 1,
      4: 2
    }
  },
  isCommonChord: true
}

Common chords

A flag to indicate the chord is easier for new guitar players.

Copying chords

Some chords are identical to other chords, so if it has a copyFrom property you should copy from that other chord.

Keys

import keys from 'guitar-chord-definitions/dist/keys'

keys.find(({ shortName }) => shortName === 'C')

Output

{
  fullName: 'Key of C major',
  shortName: 'C',
  chords: {
    [I]: 'C',
    [ii]: 'Dm',
    [iii]: 'Em',
    [IV]: 'F',
    [V]: 'G',
    [vi]: 'Am',
    [vii]: 'Bdim'
  },
  chordProgressions: [
    [I, IV, V],
    [I, vi, IV, V],
    [ii, V, I]
  ],
  isCommonKey: true
}

Common keys

A flag to indicate the key is easier for new guitar players.

Tests

npm test