Note-frequency values

notes-frequencies.json

{
   "C0":   16.35,
  "C#0":   17.32,
  "Db0":   17.32,
   "D0":   18.35,
  "D#0":   19.45,
  "Eb0":   19.45,
   "E0":   20.60,
   "F0":   21.83,
  "F#0":   23.12,
  "Gb0":   23.12,
   "G0":   24.50,
  "G#0":   25.96,
  "Ab0":   25.96,
   "A0":   27.50,
  "A#0":   29.14,
  "Bb0":   29.14,
   "B0":   30.87,
   "C1":   32.70,
  "C#1":   34.65,
  "Db1":   34.65,
   "D1":   36.71,
  "D#1":   38.89,
  "Eb1":   38.89,
   "E1":   41.20,
   "F1":   43.65,
  "F#1":   46.25,
  "Gb1":   46.25,
   "G1":   49.00,
  "G#1":   51.91,
  "Ab1":   51.91,
   "A1":   55.00,
  "A#1":   58.27,
  "Bb1":   58.27,
   "B1":   61.74,
   "C2":   65.41,
  "C#2":   69.30,
  "Db2":   69.30,
   "D2":   73.42,
  "D#2":   77.78,
  "Eb2":   77.78,
   "E2":   82.41,
   "F2":   87.31,
  "F#2":   92.50,
  "Gb2":   92.50,
   "G2":   98.00,
  "G#2":  103.83,
  "Ab2":  103.83,
   "A2":  110.00,
  "A#2":  116.54,
  "Bb2":  116.54,
   "B2":  123.47,
   "C3":  130.81,
  "C#3":  138.59,
  "Db3":  138.59,
   "D3":  146.83,
  "D#3":  155.56,
  "Eb3":  155.56,
   "E3":  164.81,
   "F3":  174.61,
  "F#3":  185.00,
  "Gb3":  185.00,
   "G3":  196.00,
  "G#3":  207.65,
  "Ab3":  207.65,
   "A3":  220.00,
  "A#3":  233.08,
  "Bb3":  233.08,
   "B3":  246.94,
   "C4":  261.63,
  "C#4":  277.18,
  "Db4":  277.18,
   "D4":  293.66,
  "D#4":  311.13,
  "Eb4":  311.13,
   "E4":  329.63,
   "F4":  349.23,
  "F#4":  369.99,
  "Gb4":  369.99,
   "G4":  392.00,
  "G#4":  415.30,
  "Ab4":  415.30,
   "A4":  440.00,
  "A#4":  466.16,
  "Bb4":  466.16,
   "B4":  493.88,
   "C5":  523.25,
  "C#5":  554.37,
  "Db5":  554.37,
   "D5":  587.33,
  "D#5":  622.25,
  "Eb5":  622.25,
   "E5":  659.26,
   "F5":  698.46,
  "F#5":  739.99,
  "Gb5":  739.99,
   "G5":  783.99,
  "G#5":  830.61,
  "Ab5":  830.61,
   "A5":  880.00,
  "A#5":  932.33,
  "Bb5":  932.33,
   "B5":  987.77,
   "C6": 1046.50,
  "C#6": 1108.73,
  "Db6": 1108.73,
   "D6": 1174.66,
  "D#6": 1244.51,
  "Eb6": 1244.51,
   "E6": 1318.51,
   "F6": 1396.91,
  "F#6": 1479.98,
  "Gb6": 1479.98,
   "G6": 1567.98,
  "G#6": 1661.22,
  "Ab6": 1661.22,
   "A6": 1760.00,
  "A#6": 1864.66,
  "Bb6": 1864.66,
   "B6": 1975.53,
   "C7": 2093.00,
  "C#7": 2217.46,
  "Db7": 2217.46,
   "D7": 2349.32,
  "D#7": 2489.02,
  "Eb7": 2489.02,
   "E7": 2637.02,
   "F7": 2793.83,
  "F#7": 2959.96,
  "Gb7": 2959.96,
   "G7": 3135.96,
  "G#7": 3322.44,
  "Ab7": 3322.44,
   "A7": 3520.00,
  "A#7": 3729.31,
  "Bb7": 3729.31,
   "B7": 3951.07,
   "C8": 4186.01,
  "C#8": 4434.92,
  "Db8": 4434.92,
   "D8": 4698.64,
  "D#8": 4978.03,
  "Eb8": 4978.03
}

This JSON help me get those data quicker, thank you, but why not use arrays? Must be more efficient.

{
    "C": [16.35, 32.70, 65.41, 130.81, 261.63, 523.25, 1046.50, 2093.00, 4186.01],
   "Db":   [17.32, 34.65, 69.30, 138.59, 277.18, 554.37, 1108.73, 2217.46, 4434.92],
    "D":   [18.35, 36.71, 73.42, 146.83, 293.66, 587.33, 1174.66, 2349.32, 4698.64],
   "Eb":   [19.45, 38.89, 77.78, 155.56, 311.13, 622.25, 1244.51, 2489.02, 4978.03],
    "E":   [20.60, 41.20, 82.41, 164.81, 329.63, 659.26, 1318.51, 2637.02],
    "F":   [21.83, 43.65, 87.31, 174.61, 349.23, 698.46, 1396.91, 2793.83],
   "Gb":   [23.12, 46.25, 92.50, 185.00, 369.99, 739.99, 1479.98, 2959.96],
    "G":   [24.50, 49.00, 98.00, 196.00, 392.00, 783.99, 1567.98, 3135.96],
   "Ab":   [25.96, 51.91, 103.83, 207.65, 415.30, 830.61, 1661.22, 3322.44],
    "A":   [27.50, 55.00, 110.00, 220.00, 440.00, 880.00, 1760.00, 3520.00],
   "Bb":   [29.14, 58.27, 116.54, 233.08, 466.16, 932.33, 1864.66, 3729.31],
    "B":   [30.87, 61.74, 123.47, 246.94, 493.88, 987.77, 1975.53, 3951.07]
 }

This JSON help me get those data quicker, thank you, but why not use arrays? Must be more efficient.

{
    "C": [16.35, 32.70, 65.41, 130.81, 261.63, 523.25, 1046.50, 2093.00, 4186.01],
   "Db":   [17.32, 34.65, 69.30, 138.59, 277.18, 554.37, 1108.73, 2217.46, 4434.92],
    "D":   [18.35, 36.71, 73.42, 146.83, 293.66, 587.33, 1174.66, 2349.32, 4698.64],
   "Eb":   [19.45, 38.89, 77.78, 155.56, 311.13, 622.25, 1244.51, 2489.02, 4978.03],
    "E":   [20.60, 41.20, 82.41, 164.81, 329.63, 659.26, 1318.51, 2637.02],
    "F":   [21.83, 43.65, 87.31, 174.61, 349.23, 698.46, 1396.91, 2793.83],
   "Gb":   [23.12, 46.25, 92.50, 185.00, 369.99, 739.99, 1479.98, 2959.96],
    "G":   [24.50, 49.00, 98.00, 196.00, 392.00, 783.99, 1567.98, 3135.96],
   "Ab":   [25.96, 51.91, 103.83, 207.65, 415.30, 830.61, 1661.22, 3322.44],
    "A":   [27.50, 55.00, 110.00, 220.00, 440.00, 880.00, 1760.00, 3520.00],
   "Bb":   [29.14, 58.27, 116.54, 233.08, 466.16, 932.33, 1864.66, 3729.31],
    "B":   [30.87, 61.74, 123.47, 246.94, 493.88, 987.77, 1975.53, 3951.07]
 }

nicely done