Browser instrument
Choose a string and finger, then shape each note with bow speed and pressure. Practice guided phrases or record a local performance take.
First-position fingerboard
Open string is finger 0. Keyboard shortcuts are shown on each position.
Swipe sideways to reach every finger position.
G
G3
D
D4
A
A4
E
E5
Continuous bow
Move sideways for bow energy. Move higher for more pressure. Hold Space or Enter when this surface is focused.
Energy 0
Pressure 45
Select a note, then use the bow surface.
Audio is synthesized locally with Web Audio. Performance mode stores events only in this page until you leave or refresh; no microphone or upload is used.