Rhythm Pattern Builder & Practice Tool
Create and practice drum rhythms by combining Kick, Snare, Hi-Hat, Tom, and Clap
Place Kick, Snare, Hi-Hat, Tom, and Clap on a grid to build rhythm patterns, then play them at any BPM or time signature. Choose a grid resolution from 1/8 down to 1/128, save patterns you use often, and share them as links via URL parameters (?bpm=120&beats=...).
DAW Sequencer
The grid is a guide for beats and bars; snap is how precisely you place notes. Use each track's ♩/T to choose straight or triplet.
Click cells to add/remove beats
Practice by inputting timing with spacebar or microphone.
Real-time metronome timing visualization
How to Use▼
Timeline Controls
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What you can build here
Build a drum pattern by placing hits on a grid, then play it back and practice against it. Here is what you work with while building one.
Five drum tracks to combine
Kick, snare, hi-hat, tom, and clap each occupy their own row. Hits stacked in the same column sound together, so you can layer kick and hi-hat for a basic groove, or double a snare with a clap to thicken it.
Grid resolution and triplets
Choose how fine the grid is, from 1/8 up to 1/128. Triplets are switched on per track, and a triplet track splits each beat into three regardless of that resolution — so you can put the hi-hat on triplets while the rest of the kit stays straight.
Per-track volume, mute, and solo
Each track has its own volume, plus mute and solo. Useful when you want to isolate one track and loop just that part.
Timing input and accuracy
Tap along with the spacebar or play into the mic, and you can see how closely your timing matches the pattern. Tempo runs from 30 to 250 BPM.
Frequently Asked Questions
Can I save the rhythms I make?▼
Yes, use the save button to name and store patterns in your browser to load later.
Can I share a rhythm I made with someone else?▼
The rhythm info is encoded into the URL, so you can copy the link and share it.
Can I make the grid finer?▼
Yes — pick a grid resolution from 1/8 up to 1/128. A higher number splits each measure into smaller cells for more detailed rhythms.
Can I write triplets or a shuffle feel?▼
Yes. Straight and triplet division are switched per track, so you can move the hi-hat to triplets and leave the other tracks straight.
I'm making a drum beat for the first time — where do I start?▼
Placing kick and snare first, then filling in the hi-hat, is the easiest order to learn. In 4/4, put the kick on beats 1 and 3, the snare on 2 and 4, then lay eighth notes on the hi-hat — that gives you the basic groove.
Can I loop the pattern while I practice?▼
Looping is on by default, so playback runs to the end of the pattern and starts over. If you would rather hear it once, turn it off with the loop button. A common approach is to slow the BPM down until it feels comfortable, then raise it gradually.
Can I practice against just one track?▼
Solo a track to hear only that one, or mute it to drop it out. Handy when you want to work on the hi-hat part on its own.
Can I check whether my timing is on?▼
Tap the spacebar or play into the mic to enter your timing, and you can compare it against the pattern. The mic needs permission from your browser to work.
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