| Digest Nr | Subject and Author |
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| 2007.10.11.07 | Player Action Leakage Rate, from Bill Robson |
| 2005.01.04.10 | Ampico Crescendo Duration & Rate, from Bob Garner |
| 2001.01.28.02 | Music Rolls & USPS Media Mail (Book Rate), from Matthew Caulfield |
| 2001.01.14.03 | Shipping Rate Comparisons, UPS vs. USPS, from John A. Tuttle |
| 2000.12.19.06 | Hammer Springs & Player Repetition Rate, from Jon Page |
| 2000.12.18.04 | Hammer Springs & Player Repetition Rate, from D. L. Bullock |
| 2000.12.14.11 | Piano Key Touch Weight & Player Repetition Rate, from Larry Toto |
| 2000.12.14.10 | Piano Key Touch Weight & Player Repetition Rate, from John A. Tuttle |
| 2000.12.07.05 | Hammer Springs & Player Repetition Rate, from Larry Toto |
| 2000.07.13.05 | QRS Music Rolls & Discount Rate at Player-Care, from John A. Tuttle |
| 2000.07.12.07 | Player-Care Increases QRS Discount Rate, from John A. Tuttle |
| 1999.08.05.09 | Pedal Pumping Rate, from Craig Brougher |
| 1999.08.05.08 | Pedal Pumping Rate, from Andy Taylor |
| 1999.08.04.09 | Pedal Pumping Rate, from Dale Houser |
| 1999.02.04.08 | Replacement Hammers and Repetition Rate, from Larry Mayo |
| 1998.05.29.07 | Repetition Rate, from Hal Davis |
| 1998.05.29.06 | Repetition Rate, from Dan Wilson, London |
| 1997.09.13.06 | Tipping Grand Pianos -- Rate Schedule, from Jim Edwards |
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