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Web Synth
GZMO
Waveform
sine
square
sawtooth
triangle
Frequency
440.0
Hz
C4
A
D4
S
E4
D
F4
F
G4
G
A4
H
B4
J
C5
K
Use your keyboard (A-K) or click the keys to play.
GZMOGZMOGZMO