Grid
Space=play · A/B=loop in/out · G=snap bar · ,/.=nudge bar1 · L=loop · S=save · [/]=±5% · 1-4=mute · Shift+1-4=solo
Loops
Press A while it plays to drop the loop start (you'll see the marker), B for the end. ⌫ clears the A/B marks (your saved loops stay). Each saved loop has its own color on the waveform — click a loop band (or ▶) to select & loop it, the ◉/○ toggles show it, and Hide all clears the clutter.