Every tap on the rock is a note (higher tap, higher note). Press Record and tap a rhythm: it becomes a miner that loops your tune and mines for you.
The band takes five.
Ends this run. Your ore mined becomes your score, and the song leaves behind echoes: each one makes all future mining 10% richer. Depth, miners and upgrades start fresh.
Their loop stops and the slot frees up for a new recording.