Use your mouse or computer keyboard to play this music keyboard
A9
B9
C9
D9
E9
F9
G9
H9
I9
J9
K9
L9
A8
B8
C8
D8
E8
F8
G8
H8
I8
J8
K8
L8
A7
B7
C7
D7
E7
F7
G7
H7
I7
J7
K7
L7
This scale uses A-L instead of sharps and flats, for mathematical consistency. The frequencies of notes are based on exponents of 2. A8 is 2^(8*12)/12 Hz, B8 is 2^(8*12+1)/12 Hz, C8 is 2^(8*12+2)/12 Hz, and so on. These frequencies end up being close to right in-between traditional notes.