Tap to find the BPM of anything, then keep time with a clean, distraction-free metronome.

Generate pitches, and discover tonal relationships.

Visualize harmonic relationships and voice-leading through the Tonnetz lattice.

Track repetitions during practice sessions — simple, fast, and distraction-free.

Shift a track up or down by semitones without changing its tempo, then download the transposed audio.

Slow a track down without changing its pitch, loop the hard part, and build it back up to tempo.