danigb/chord.dictionary

A music chord dictionary

chord.dictionary

A dictionary of music chords. This contains a json file with chord definitions (currently 106), and a javascript function to access them:

var chord = require('chord.dictionary')
chord('Maj7') // => { name: 'Maj7', aliases: ['M7', 'maj7']
               //      intervals:  [ '1', '3', '5', '7' ],
               //      steps: [ ... ]
               //      binary: '100010010001', decimal: 2193 }

This is part of tonal

Installation

Install via npm: npm install --save chord.dictionary. For browsers use the browserify or similar tool or get tonal.chord

Usage

You can get or require json data file directly:

var data = require('chord.dictionary/chords.json')

Or use the function:

var chord = require('chord.dictionary')
chord('Maj7') // => { name: 'Maj7', ... }

The function returns a data object with the following properties:

• name: the name of the chord
• aliases: an array with the alternative names of the chord
• intervals: an array with the intervals
• steps: an array with the intervals in array notation
• binary: a binary representation of the chord set
• decimal: the decimal representation of the chord set

You can get an array of available names:

var chord = require('chord.dictionary')
chord.names // => ['Maj7', 'm7', ...]
chord.names.length // => 107

License

MIT License