385
Player Piano Roll
自動ピアノロール / 1896–1930s / Style / Notation Systems
A recording medium of rolled paper on which the punched holes are the performance itself. It marks the turn from scores read by people to codes read by machines, and it is the ancestor of the punch card and the digital sequencer.
Rows of perforations / The scrolling roll / Machine-readable music / Performance physically recorded



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