| Digest Nr | Subject and Author |
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| 2013.06.08.05 | Converting Music Between Reproducing Piano Systems, from Julian Dyer |
| 2013.06.05.04 | Converting Music Between Reproducing Piano Systems, from Bob Loesch |
| 2013.06.03.02 | Converting Music Between Reproducing Piano Systems, from Lester Wolff |
| 2006.06.05.07 | Gap Between Tunes For A-roll Selectra Codes, from Don Teach |
| 2006.06.05.06 | Gap Between Tunes For A-roll Selectra Codes, from Bob Stewart |
| 2006.06.04.03 | Gap Between Tunes For A-roll Selectra Codes, from Bob Stewart |
| 2005.04.19.04 | Minimum Repetition Time Between Notes, from Phil Dayson |
| 2005.04.18.08 | Minimum Repetition Time Between Notes, from Mike Knudsen |
| 2005.04.16.04 | Minimum Repetition Time Between Notes, from Phil Dayson |
| 2003.04.16.09 | Converting Music Between Reproducing Piano Systems, from Bruce Clark |
| 2001.10.15.02 | MMDs Are Few And Far Between, from Dean T. Smith |
| 1999.06.05.10 | Relationship Between Mustel and Mason & Hamlin, from Tom Gregory |
| 1998.06.18.04 | Difference Between Ampico A & B Rolls, from Richard Stibbons |
| 1996.11.07.09 | Comparisons Between Glues, from Jon Page |
| 1996.11.06.09 | Comparisons Between Glues, from Craig Brougher |
| 1995.11.28.08 | Conversion Between Ampico and MIDI, from George Bogatko |
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