Package Exports

coda-music

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Readme

coda

Tired of regexping your way through your music notes? This package provides some useful abstractions to work with music concepts.

Quickstart

Install with:

npm install coda-music

Usage:

> var coda = require('coda-music');
> var Scale = coda.Scale;
> var Interval = coda.Interval;
> var Chord = coda.Chord;

> Scale.make('C', 'M')
{ id: 'CM',
  specId: 'M',
  label: 'C Major Scale',
  ascending: [ 'C', 'D', 'E', 'F', 'G', 'A', 'B' ],
  descending: [ 'B', 'A', 'G', 'F', 'E', 'D', 'C' ] }

> Scale.makeAll().length;
84

> Chord.make('C', '7')
{ id: 'C7',
  specId: '7',
  label: 'C 7th',
  notes: [ 'C', 'E', 'G', 'A#' ] }

> Chord.makeAll().length;
336

> Interval.getHalfsteps(Interval.AUGMENTED_FIFTH);
8

Roadmap

Key signatures
Harmonize a scale
Make scale notes key-aware (currently uses sharps only)
Ability to provide custom "specs" (templates to build scales/chords upon)
Suggestions? Please, file an issue or consider submitting a PR!