midi-to-nsscore.mjs keeps every note's time, pitch, velocity and GM program (native gm_synth, family wave as fallback, measured GM trims) and gives it a place in the room: one octave is one lap of the ring by default, or a source's register sweeps once around, or tracks pin to their own sides or orbit. Channel 10 becomes the house kit. Markers are movements; --held sends a source to the center laptop; --max-dur shortens sustained notes for dense files. The report prints the peak voices each seat is asked for. rush-e.nsscore: three pianos, 19,850 events, 4:59. naruto-ai-bomb.nsscore: a kit and twelve instruments, 2:32. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>