Music-theory Packages

tonal music theory full library

tonaljs music theory library

Chord symbol parser and renderer

node REPL to play instruments in node, via soundfonts

A function to calculate the negative side of the provided notes

A data source containing names and details for musical scales, chords, intervals, and notes.

Strongly typed music theory library

A simple way to work with musical pitches

A library to generate the potential chord names, given a set of notes.

Format chord symbols in an Ultimate Guitar-friendly way