Note to frequency

notes.json

}
  "C0": 16.35,
  "C#0": 17.32,
  "D0": 18.35,
  "Eb0": 19.45,
  "E0": 20.6,
  "F0": 21.83,
  "F#0": 23.12,
  "G0": 24.5,
  "Ab0": 25.96,
  "A0": 27.5,
  "Bb0": 29.14,
  "B0": 30.87,
  "C1": 32.7,
  "C#1": 34.65,
  "D1": 36.71,
  "Eb1": 38.89,
  "E1": 41.2,
  "F1": 43.65,
  "F#1": 46.25,
  "G1": 49,
  "Ab1": 51.91,
  "A1": 55,
  "Bb1": 58.27,
  "B1": 61.74,
  "C2": 65.41,
  "C#2": 69.3,
  "D2": 73.42,
  "Eb2": 77.78,
  "E2": 82.41,
  "F2": 87.31,
  "F#2": 92.5,
  "G2": 98,
  "Ab2": 103.83,
  "A2": 110,
  "Bb2": 116.54,
  "B2": 123.47,
  "C3": 130.81,
  "C#3": 138.59,
  "D3": 146.83,
  "Eb3": 155.56,
  "E3": 164.81,
  "F3": 174.61,
  "F#3": 185,
  "G3": 196,
  "Ab3": 207.65,
  "A3": 220,
  "Bb3": 233.08,
  "B3": 246.94,
  "C4": 261.63,
  "C#4": 277.18,
  "D4": 293.66,
  "Eb4": 311.13,
  "E4": 329.63,
  "F4": 349.23,
  "F#4": 369.99,
  "G4": 392,
  "Ab4": 415.3,
  "A4": 440,
  "Bb4": 466.16,
  "B4": 493.88,
  "C5": 523.25,
  "C#5": 554.37,
  "D5": 587.33,
  "Eb5": 622.25,
  "E5": 659.25,
  "F5": 698.46,
  "F#5": 739.99,
  "G5": 783.99,
  "Ab5": 830.61,
  "A5": 880,
  "Bb5": 932.33,
  "B5": 987.77,
  "C6": 1046.5,
  "C#6": 1108.73,
  "D6": 1174.66,
  "Eb6": 1244.51,
  "E6": 1318.51,
  "F6": 1396.91,
  "F#6": 1479.98,
  "G6": 1567.98,
  "Ab6": 1661.22,
  "A6": 1760,
  "Bb6": 1864.66,
  "B6": 1975.53,
  "C7": 2093,
  "C#7": 2217.46,
  "D7": 2349.32,
  "Eb7": 2489.02,
  "E7": 2637.02,
  "F7": 2793.83,
  "F#7": 2959.96,
  "G7": 3135.96,
  "Ab7": 3322.44,
  "A7": 3520,
  "Bb7": 3729.31,
  "B7": 3951.07,
  "C8": 4186.01,
  "C#8": 4434.92,
  "D8": 4698.63,
  "Eb8": 4978.03,
  "E8": 5274.04,
  "F8": 5587.65,
  "F#8": 5919.91,
  "G8": 6271.93,
  "Ab8": 6644.88,
  "A8": 7040,
  "Bb8": 7458.62,
  "B8": 7902.13
}