| Digest Nr | Subject and Author |
 |
| 2019.03.10.02 | "Liberty Bell" By Sousa As A Two Step vs. March, from Wallace Venable |
| 2019.03.09.02 | Sousa "Liberty Bell" as Two Step vs. March, from Andrew Lardieri |
| 2000.01.27.26 | Tempola Music Rolls Step Recording Piano, from Andy Taylor |
| 1999.04.15.08 | Step Recording Piano, from Andy Taylor |
| 1998.12.17.15 | Step Recording Piano Rolls with MIDI, from Andy Taylor |
| 1998.10.14.02 | Factory Punch Step Intervals, from John McClelland |
| 1998.07.30.12 | MIDI Sync Pulses for Step Recording, from David Chisholm |
| 1998.07.29.09 | MIDI Sync for Step Recording, from Andy Taylor |
| 1996.12.08.08 | Ampico Step Advance is 356 Steps/Foot, from Wayne Stahnke |
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