C0 0 C#0 1 D0 2 D#0 3 E0 4 F0 5 F#0 6 G0 7 G#0 8 A0 9 A#0 10 B0 11 C1 12 C2 24 C3 36 C4 48 C5 60 A5 69 C6 72 C7 84 C8 96 C9 108 C10 120 G10 127 C11 132 C12 144 C13 156 C14 168 C15 180 C16 192 C17 204 C18 216 C19 228 C20 240 C21 252 D#21 255