Press keys to play their sound samples.
Drag links to audio files from other web sites onto a key to assign that sound file to that key
When you come back to the site, your drum kit is preserved (in your browser)
Press Spacebar to start/stop recording a loop. Reload to clear the loop (for now)
You can also drag links to Studio Substack sound-generating functions, like from the history list here
Once you've made a kit you like, you can copy the URL to share it.