Rhythm practice

Polyrhythm Metronome Trainer

Hear two pulses at once and learn to feel them together. Set the beats for each layer, pick distinct sounds and follow the moving grid until the polyrhythm locks in.

Layer A
Layer B
3:2Polyrhythm
0 sCycle length
90Current BPM
0Cycles played

Combined grid

Runs entirely in your browser. Nothing is uploaded to any server.

Why practice polyrhythms with a metronome

Feel two pulses at once

Hearing both layers trains your brain to keep them independent.

Build limb independence

Drummers and pianists can tap each layer with a different hand.

Grow speed steadily

The speed trainer nudges the tempo up so progress happens without guesswork.

How to practice a polyrhythm

  1. Choose the ratioSet beats for layers A and B, or tap a preset like 3:2 or 4:3.
  2. Start slowPick a slow tempo and listen to the two layers and the combined grid.
  3. Play alongClap or tap one layer with each hand, then raise the tempo or turn on the trainer.

How polyrhythms work

A polyrhythm plays two even pulses over the same span of time. In 3:2, layer A divides the cycle into three equal beats while layer B divides it into two. Both start together on the first beat of each cycle, then drift apart and meet again at the next cycle.

The combined grid uses the least common multiple of the two numbers. For 3:2 that is six pulses: layer A lands on pulses 1, 3 and 5, and layer B on 1 and 4. Counting the grid slowly is the most reliable way to learn a new polyrhythm before relying on feel.

3:2 hemiola

The most common polyrhythm, found from Baroque dances to Afro-Cuban music.

4:3

Four against three, a staple of jazz drumming and piano études.

Tempo follows

Choose which layer the BPM applies to; the other layer adjusts to fit.

Polyrhythm metronome FAQ

What does 3:2 mean?

Three evenly spaced beats in one layer against two evenly spaced beats in the other, both lasting the same cycle.

What does Tempo follows do?

It sets which layer the BPM refers to. At 90 BPM following layer A in 3:2, layer A plays 90 beats per minute and layer B plays 60.

How does the speed trainer work?

Every four cycles it raises the tempo by 2 or 5 BPM, up to 300 BPM. Stop when the rhythm starts to fall apart and practice there.

Can I hear only one layer?

Yes. Mute either layer to practice playing the other one against your own internal pulse.

Why use different pitches?

A high click for layer A and a low click for layer B make it easy to tell the pulses apart by ear.

Try other rhythm tools

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