twelvetet-spn/src/data.js

Scientific pitch notation parser/formatter for Node.js and the browser

export default [
    [null, 0],
    ['B#', 0],
    ['C', 0],
    [null, 0],
    ['Dbb', 0],

    ['Bx', 1],
    ['C#', 1],
    [null, 1],
    ['Db', 1],
    [null, 1],

    ['Cx', 2],
    [null, 2],
    ['D', 2],
    [null, 2],
    ['Ebb', 2],

    [null, 3],
    ['D#', 3],
    [null, 3],
    ['Eb', 3],
    ['Fbb', 3],

    ['Dx', 4],
    [null, 4],
    ['E', 4],
    ['Fb', 4],
    [null, 4],

    [null, 5],
    ['E#', 5],
    ['F', 5],
    [null, 5],
    ['Gbb', 5],

    ['Ex', 6],
    ['F#', 6],
    [null, 6],
    ['Gb', 6],
    [null, 6],

    ['Fx', 7],
    [null, 7],
    ['G', 7],
    [null, 7],
    ['Abb', 7],

    [null, 8],
    ['G#', 8],
    [null, 8],
    ['Ab', 8],
    [null, 8],

    ['Gx', 9],
    [null, 9],
    ['A', 9],
    [null, 9],
    ['Bbb', 9],

    [null, 10],
    ['A#', 10],
    [null, 10],
    ['Bb', 10],
    ['Cbb', 10],

    ['Ax', 11],
    [null, 11],
    ['B', 11],
    ['Cb', 11],
    [null, 11],
]