public enum ToneFrequency
{
MUTE = 0,
B0 = 31,
C1 = 33,
CS1 = 35,
D1 = 37,
DS1 = 39,
E1 = 41,
F1 = 44,
FS1 = 46,
G1 = 49,
GS1 = 52,
A1 = 55,
AS1 = 58,
B1 = 62,
C2 = 65,
CS2 = 69,
D2 = 73,
DS2 = 78,
E2 = 82,
F2 = 87,
FS2 = 93,
G2 = 98,
GS2 = 104,
A2 = 110,
AS2 = 117,
B2 = 123,
C3 = 131,
CS3 = 139,
D3 = 147,
DS3 = 156,
E3 = 165,
F3 = 175,
FS3 = 185,
G3 = 196,
GS3 = 208,
A3 = 220,
AS3 = 233,
B3 = 247,
C4 = 262,
CS4 = 277,
D4 = 294,
DS4 = 311,
E4 = 330,
F4 = 349,
FS4 = 370,
G4 = 392,
GS4 = 415,
A4 = 440,
AS4 = 466,
B4 = 494,
C5 = 523,
CS5 = 554,
D5 = 587,
DS5 = 622,
E5 = 659,
F5 = 698,
FS5 = 740,
G5 = 784,
GS5 = 831,
A5 = 880,
AS5 = 932,
B5 = 988,
C6 = 1047,
CS6 = 1109,
D6 = 1175,
DS6 = 1245,
E6 = 1319,
F6 = 1397,
FS6 = 1480,
G6 = 1568,
GS6 = 1661,
A6 = 1760,
AS6 = 1865,
B6 = 1976,
C7 = 2093,
CS7 = 2217,
D7 = 2349,
DS7 = 2489,
E7 = 2637,
F7 = 2794,
FS7 = 2960,
G7 = 3136,
GS7 = 3322,
A7 = 3520,
AS7 = 3729,
B7 = 3951,
C8 = 4186,
CS8 = 4435,
D8 = 4699,
DS8 = 4978
}