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DoeSigns

DoeSigns's channel

7 subscribers
6,489 video views
  • Thumbnail 4:00
    4 months ago

    Ampico Piano Roll Perforator

    cutting 20 to 1 piano rolls for the first time since 1923

    6,489 views

    DoeSigns DoeSigns uploaded
    • 4 months ago
      DoeSigns DoeSigns commented:

      The perforator requires special MIDI files having all events timed on even multiples of 72 ticks per punch row.

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