| Space · tap | play or pause |
| → ← | next / previous stop: each step's start and its end, fully built and paused; back lands on the built end |
| the bar | drag anywhere to move through the piece; the marks are its stops (amber: a built end) |
| R | replay from the start |
| S | speed: 0.5×, 0.75×, 1×, 1.5×, 2× |
| ] [ · swipe | next / previous piece, without a reload |
| L | every piece |
| M or + my order | add this piece to your running order (the player's build mode), or take it out |
| C or ✎ comment | a comment on this piece, sent to your lane |
| T · F · Esc | dark or light · fullscreen · close a panel |
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