piano-notes.js

[
    [1, 'A0', 27.5],
    [2, 'A♯0/B♭0', 29.13524],
    [3, 'B0', 30.86771],
    [4, 'C1', 32.7032],
    [5, 'C♯1/D♭1', 34.64783],
    [6, 'D1', 36.7081],
    [7, 'D♯1/E♭1', 38.89087],
    [8, 'E1', 41.20344],
    [9, 'F1', 43.65353],
    [10, 'F♯1/G♭1', 46.2493],
    [11, 'G1', 48.99943],
    [12, 'G♯1/A♭1', 51.91309],
    [13, 'A1', 55],
    [14, 'A♯1/B♭1', 58.27047],
    [15, 'B1', 61.73541],
    [16, 'C2', 65.40639],
    [17, 'C♯2/D♭2', 69.29566],
    [18, 'D2', 73.41619],
    [19, 'D♯2/E♭2', 77.78175],
    [20, 'E2', 82.40689],
    [21, 'F2', 87.30706],
    [22, 'F♯2/G♭2', 92.49861],
    [23, 'G2', 97.99886],
    [24, 'G♯2/A♭2', 103.8262],
    [25, 'A2', 110],
    [26, 'A♯2/B♭2', 116.5409],
    [27, 'B2', 123.4708],
    [28, 'C3', 130.8128],
    [29, 'C♯3/D♭3', 138.5913],
    [30, 'D3', 146.8324],
    [31, 'D♯3/E♭3', 155.5635],
    [32, 'E3', 164.8138],
    [33, 'F3', 174.6141],
    [34, 'F♯3/G♭3', 184.9972],
    [35, 'G3', 195.9977],
    [36, 'G♯3/A♭3', 207.6523],
    [37, 'A3', 220],
    [38, 'A♯3/B♭3', 233.0819],
    [39, 'B3', 246.9417],
    [40, 'C4', 261.6256],
    [41, 'C♯4/D♭4', 277.1826],
    [42, 'D4', 293.6648],
    [43, 'D♯4/E♭4', 311.127],
    [44, 'E4', 329.6276],
    [45, 'F4', 349.2282],
    [46, 'F♯4/G♭4', 369.9944],
    [47, 'G4', 391.9954],
    [48, 'G♯4/A♭4', 415.3047],
    [49, 'A4', 440],
    [50, 'A♯4/B♭4', 466.1638],
    [51, 'B4', 493.8833],
    [52, 'C5', 523.2511],
    [53, 'C♯5/D♭5', 554.3653],
    [54, 'D5', 587.3295],
    [55, 'D♯5/E♭5', 622.254],
    [56, 'E5', 659.2551],
    [57, 'F5', 698.4565],
    [58, 'F♯5/G♭5', 739.9888],
    [59, 'G5', 783.9909],
    [60, 'G♯5/A♭5', 830.6094],
    [61, 'A5', 880],
    [62, 'A♯5/B♭5', 932.3275],
    [63, 'B5', 987.7666],
    [64, 'C6', 1046.502],
    [65, 'C♯6/D♭6', 1108.731],
    [66, 'D6', 1174.659],
    [67, 'D♯6/E♭6', 1244.508],
    [68, 'E6', 1318.51],
    [69, 'F6', 1396.913],
    [70, 'F♯6/G♭6', 1479.978],
    [71, 'G6', 1567.982],
    [72, 'G♯6/A♭6', 1661.219],
    [73, 'A6', 1760],
    [74, 'A♯6/B♭6', 1864.655],
    [75, 'B6', 1975.533],
    [76, 'C7', 2093.005],
    [77, 'C♯7/D♭7', 2217.461],
    [78, 'D7', 2349.318],
    [79, 'D♯7/E♭7', 2489.016],
    [80, 'E7', 2637.02],
    [81, 'F7', 2793.826],
    [82, 'F♯7/G♭7', 2959.955],
    [83, 'G7', 3135.963],
    [84, 'G♯7/A♭7', 3322.438],
    [85, 'A7', 3520],
    [86, 'A♯7/B♭7', 3729.31],
    [87, 'B7', 3951.066],
    [88, 'C8', 4186.009]
]