Free · from 2:3 to 7:15
Hear and see two pulses share one cycle, and practise until you can feel them.
3:2
three against two
Changes apply at the next cycle, so the downbeat is never cut.
Layer A and B sounds match the settings above.
Total length1:01
In a polyrhythm both layers divide the same cycle differently. The circle makes that visible: each layer splits the lap into equal parts and both always meet at the top. You can see at a glance where every hit falls and why 3:2 sounds the way it does.
Ready to go beyond polyrhythms? Try the odd-time lab with groupings like 5+5+3+5 in the style of Tigran Hamasyan.
Two (or more) even pulses played at the same time that divide the same span of time differently. In 3:2, one layer plays three even beats while the other plays two, and both start together again at the top of every cycle.
Start slowly (50–60 BPM). Clap or tap layer A, just listen to layer B, then add it with your other hand. Saying a phrase like 'pass the golden butter' (3:2) or 'nice cup of tea' (3:4) out loud helps you feel where the hits fall.
Every pair where the smaller side is 7 or less and the larger side is 15 or less, from 2:3 up to 7:15. The level selector limits the list so beginners start with 2:3 and 3:4.
It follows layer A. At 60 BPM, layer A's beats are one second apart, and layer B fits its beats into that same cycle.
Yes. In Practice track (MP3) choose a loop length, a tempo ramp from 60 to 140 BPM or a mix of pairs, then create and download the MP3. It's made in your browser.
Yes. The sounds are designed to stay audible on phone speakers. Switch off silent mode on iPhone if you don't hear anything.