qmk-firmware/quantum/musical_notes.h

#ifndef MUSICAL_NOTES_H
#define MUSICAL_NOTES_H

// Tempo Placeholder
#define TEMPO 120


// Note Types
#define WHOLE_NOTE(note)     {(NOTE##note), 64}
#define HALF_NOTE(note)      {(NOTE##note), 32}
#define QUARTER_NOTE(note)   {(NOTE##note), 16}
#define EIGTH_NOTE(note)     {(NOTE##note), 8}
#define SIXTEENTH_NOTE(note) {(NOTE##note), 4}

// Note Types Short
#define W_NOTE(n) WHOLE_NOTE(n)
#define H_NOTE(n) HALF_NOTE(n)
#define Q_NOTE(n) QUARTER_NOTE(n)
#define E_NOTE(n) EIGTH_NOTE(n)
#define S_NOTE(n) SIXTEENTH_NOTE(n)


// Notes - # = Octave
#define NOTE_REST         0.00
#define NOTE_C0          16.35
#define NOTE_CS0         17.32
#define NOTE_D0          18.35
#define NOTE_DS0         19.45
#define NOTE_E0          20.60
#define NOTE_F0          21.83
#define NOTE_FS0         23.12
#define NOTE_G0          24.50
#define NOTE_GS0         25.96
#define NOTE_A0          27.50
#define NOTE_AS0         29.14
#define NOTE_B0          30.87
#define NOTE_C1          32.70
#define NOTE_CS1         34.65
#define NOTE_D1          36.71
#define NOTE_DS1         38.89
#define NOTE_E1          41.20
#define NOTE_F1          43.65
#define NOTE_FS1         46.25
#define NOTE_G1          49.00
#define NOTE_GS1         51.91
#define NOTE_A1          55.00
#define NOTE_AS1         58.27
#define NOTE_B1          61.74
#define NOTE_C2          65.41
#define NOTE_CS2         69.30
#define NOTE_D2          73.42
#define NOTE_DS2         77.78
#define NOTE_E2          82.41
#define NOTE_F2          87.31
#define NOTE_FS2         92.50
#define NOTE_G2          98.00
#define NOTE_GS2        103.83
#define NOTE_A2         110.00
#define NOTE_AS2        116.54
#define NOTE_B2         123.47
#define NOTE_C3         130.81
#define NOTE_CS3        138.59
#define NOTE_D3         146.83
#define NOTE_DS3        155.56
#define NOTE_E3         164.81
#define NOTE_F3         174.61
#define NOTE_FS3        185.00
#define NOTE_G3         196.00
#define NOTE_GS3        207.65
#define NOTE_A3         220.00
#define NOTE_AS3        233.08
#define NOTE_B3         246.94
#define NOTE_C4         261.63
#define NOTE_CS4        277.18
#define NOTE_D4         293.66
#define NOTE_DS4        311.13
#define NOTE_E4         329.63
#define NOTE_F4         349.23
#define NOTE_FS4        369.99
#define NOTE_G4         392.00
#define NOTE_GS4        415.30
#define NOTE_A4         440.00
#define NOTE_AS4        466.16
#define NOTE_B4         493.88
#define NOTE_C5         523.25
#define NOTE_CS5        554.37
#define NOTE_D5         587.33
#define NOTE_DS5        622.25
#define NOTE_E5         659.26
#define NOTE_F5         698.46
#define NOTE_FS5        739.99
#define NOTE_G5         783.99
#define NOTE_GS5        830.61
#define NOTE_A5         880.00
#define NOTE_AS5        932.33
#define NOTE_B5         987.77
#define NOTE_C6        1046.50
#define NOTE_CS6       1108.73
#define NOTE_D6        1174.66
#define NOTE_DS6       1244.51
#define NOTE_E6        1318.51
#define NOTE_F6        1396.91
#define NOTE_FS6       1479.98
#define NOTE_G6        1567.98
#define NOTE_GS6       1661.22
#define NOTE_A6        1760.00
#define NOTE_AS6       1864.66
#define NOTE_B6        1975.53
#define NOTE_C7        2093.00
#define NOTE_CS7       2217.46
#define NOTE_D7        2349.32
#define NOTE_DS7       2489.02
#define NOTE_E7        2637.02
#define NOTE_F7        2793.83
#define NOTE_FS7       2959.96
#define NOTE_G7        3135.96
#define NOTE_GS7       3322.44
#define NOTE_A7        3520.00
#define NOTE_AS7       3729.31
#define NOTE_B7        3951.07
#define NOTE_C8        4186.01
#define NOTE_CS8       4434.92
#define NOTE_D8        4698.64
#define NOTE_DS8       4978.03
#define NOTE_E8        5274.04
#define NOTE_F8        5587.65
#define NOTE_FS8       5919.91
#define NOTE_G8        6271.93
#define NOTE_GS8       6644.88
#define NOTE_A8        7040.00
#define NOTE_AS8       7458.62
#define NOTE_B8        7902.13

// Flat Aliases
#define NOTE_DF0 NOTE_CS0
#define NOTE_EF0 NOTE_DS0
#define NOTE_GF0 NOTE_FS0
#define NOTE_AF0 NOTE_GS0
#define NOTE_BF0 NOTE_AS0
#define NOTE_DF1 NOTE_CS1
#define NOTE_EF1 NOTE_DS1
#define NOTE_GF1 NOTE_FS1
#define NOTE_AF1 NOTE_GS1
#define NOTE_BF1 NOTE_AS1
#define NOTE_DF2 NOTE_CS2
#define NOTE_EF2 NOTE_DS2
#define NOTE_GF2 NOTE_FS2
#define NOTE_AF2 NOTE_GS2
#define NOTE_BF2 NOTE_AS2
#define NOTE_DF3 NOTE_CS3
#define NOTE_EF3 NOTE_DS3
#define NOTE_GF3 NOTE_FS3
#define NOTE_AF3 NOTE_GS3
#define NOTE_BF3 NOTE_AS3
#define NOTE_DF4 NOTE_CS4
#define NOTE_EF4 NOTE_DS4
#define NOTE_GF4 NOTE_FS4
#define NOTE_AF4 NOTE_GS4
#define NOTE_BF4 NOTE_AS4
#define NOTE_DF5 NOTE_CS5
#define NOTE_EF5 NOTE_DS5
#define NOTE_GF5 NOTE_FS5
#define NOTE_AF5 NOTE_GS5
#define NOTE_BF5 NOTE_AS5
#define NOTE_DF6 NOTE_CS6
#define NOTE_EF6 NOTE_DS6
#define NOTE_GF6 NOTE_FS6
#define NOTE_AF6 NOTE_GS6
#define NOTE_BF6 NOTE_AS6
#define NOTE_DF7 NOTE_CS7
#define NOTE_EF7 NOTE_DS7
#define NOTE_GF7 NOTE_FS7
#define NOTE_AF7 NOTE_GS7
#define NOTE_BF7 NOTE_AS7
#define NOTE_DF8 NOTE_CS8
#define NOTE_EF8 NOTE_DS8
#define NOTE_GF8 NOTE_FS8
#define NOTE_AF8 NOTE_GS8
#define NOTE_BF8 NOTE_AS8


#endif