♩

Quarter Note

1 beat

Rhythm Builder

Build two 4-beat measures per row. Only the glowing edge survives each lock.

Current Row

Measure 1 0/4

Measure 2 0/4

♩

Quarter Note

Move the piece into either measure.

← / → Move ↑ Rotate ↓ Soft drop Space Hard drop D Delete R Restart

Ready. Rotate pieces to change the glowing note value.