Draft for review. This specification isn't authoritative until the Clone Hero and YARG developers have approved it, and scan-chart 9.0.0 isn't released yet.
A chart as Clone Hero plays it: every note resolved (HOPO or strum, tap, open, cymbal or tom, accent), sustains
trimmed, chords snapped, and times in milliseconds. It’s read-only, and it’s shared with the competitive hashes.