| Digest Nr | Subject and Author |
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| 2010.02.09.07 | Seek Correct Decals For Early Steinway Pianola, from Robert Perry |
| 2008.08.27.05 | Correct Tempo To Play a MIDI File, from Ben Jackson |
| 2002.05.18.01 | Marks on Triola Zither Rolls & Correct Playing, from Nicholas Simons |
| 2002.05.17.02 | Marks on Triola Zither Rolls & Correct Playing, from Nicholas Simons |
| 2001.02.02.07 | The Correct Way to Pump the Player Piano Pedals, from John A. Tuttle |
| 1999.07.01.10 | Correct Torque for Piano Plate Screws, from David Vanderhoofven |
| 1999.07.01.09 | Correct Torque for Piano Plate Screws, from Douglas K. Rhodes |
| 1999.06.30.09 | Correct Torque for Piano Plate Screws, from John A. Tuttle |
| 1998.08.13.14 | Correct Voltage for Old Electric Motors, from Darrell Clarke |
| 1998.07.25.16 | Politically Correct Descriptions, from Johnny Lite |
| 1998.07.25.14 | Politically Correct Pianola Rolls, from Douglas Henderson |
| 1998.07.24.16 | Politically Correct Complaints, from Mark Forer |
| 1998.07.23.16 | Politically Correct Piano Rolls, from Douglas Henderson |
| 1996.12.20.02 | Correct Address of Musica Mecanica, from Philippe Rouillé |
| 1996.05.20.04 | Correct Spelling of Edwin Welte, from Craig Brougher |
| 1995.10.18.02 | Looking for Correct Foot Pedal Pump, from Larry Toto |
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