| Digest Nr | Subject and Author |
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| 2018.08.12.03 | Installing a Duo-Art Player in a Different Piano, from Don Teach |
| 2018.08.09.02 | Installing a Duo-Art Player in a Different Piano, from Tom DiGiovanni |
| 2013.12.25.02 | Different Versions of QRS "Tiger Rag", from Marshall Jose |
| 2012.03.05.05 | Vacuum Reservoirs Are Different Sizes, from John A. Tuttle |
| 2012.03.04.08 | Vacuum Reservoirs Are Different Sizes, from S. Lee Walker |
| 2010.05.22.05 | Connecting Wurlitzer Spinet for Different Rewind, from Duaine Hechler |
| 2010.05.21.03 | Connecting Wurlitzer Spinet for Different Rewind, from Jim Hockenberger |
| 2009.01.18.01 | Different Arrangements of Mechanical Music, from Art Reblitz |
| 2009.01.17.01 | Different Arrangements of Mechanical Music, from Brian Smith |
| 2006.11.14.08 | Duo-Art Roll With Different Length Theme Perfs, from Bruce Grimes |
| 2005.09.17.03 | Moving a Piano To a Different Climate, from Bruce Clark |
| 2005.09.16.09 | Moving a Piano To a Different Climate, from Ed Chaban |
| 2005.03.22.04 | Features of Different Yamaha Disklavier Models, from Bob Gonzalez |
| 2004.08.17.07 | Four Different Duo-Art Fan Expression Systems, from Bruce Grimes |
| 2004.07.28.05 | Four Different Duo-Art Fan Expression Systems, from Spencer Chase |
| 2004.07.27.08 | Four Different Duo-Art Fan Expression Systems, from Paddy Handscombe |
| 2004.07.22.01 | Four Different Duo-Art Fan Expression Systems, from Bruce Grimes |
| 2004.05.02.02 | Converting Instruments to Play Different Media, from Galen Bird |
| 2004.04.20.02 | Identical Musical Boxes Have Different Sounds, from Brian Chesters |
| 2003.11.17.03 | Converting Instruments to Play Different Media, from Howard Sanford |
| 2003.11.15.03 | Converting Instruments to Play Different Media, from Bill Maguire |
| 2003.11.14.03 | Converting Instruments to Play Different Media, from Robbie Rhodes |
| 2003.11.07.06 | Converting Instruments to Play Different Media, from John A. Tuttle |
| 2003.11.06.06 | Converting Instruments to Play Different Media, from John J. Breen |
| 2003.11.06.05 | Converting Instruments to Play Different Media, from Willy van der Reijden |
| 2003.11.05.07 | Converting Instruments to Play Different Media, from Mike Knudsen |
| 2003.11.05.06 | Converting Instruments to Play Different Media, from John J. Breen |
| 2003.11.05.05 | Converting Instruments to Play Different Media, from Christine Robinson |
| 2003.11.04.09 | Converting Instruments to Play Different Media, from Nicholas Simons |
| 2003.11.04.08 | Converting Instruments to Play Different Media, from Bob Loesch |
| 2003.11.04.07 | Converting Instruments to Play Different Media, from Philip Underwood |
| 2003.11.04.06 | Converting Instruments to Play Different Media, from Bill Mackin |
| 2003.11.04.05 | Converting Instruments to Play Different Media, from Harald Mueller |
| 2003.11.03.08 | Converting Instruments to Play Different Media, from Don Shenbarger |
| 2003.11.03.07 | Converting Instruments to Play Different Media, from Julie Porter |
| 2003.11.03.06 | Converting Instruments to Play Different Media, from Spencer Chase |
| 2003.11.01.01 | Converting Instruments to Play Different Media, from Bill Finch |
| 2003.07.01.03 | Different Diameters of Musical Box Discs, from Jack Perron |
| 2003.06.30.02 | Different Diameters of Musical Box Discs, from Michael Pawelek |
| 2001.09.12.06 | Same Melody Used For Different Songs, from Patty Slayton |
| 2001.09.11.06 | Same Melody Used For Different Songs: "The Thief", from Julian Dyer |
| 2001.09.01.04 | Same Melody Used For Different Songs, from Mark Kinsler |
| 2001.09.01.02 | Same Melody Used For Different Songs, from Ingmar Krause |
| 2001.08.31.03 | Same Melody Used For Different Songs, from Jon Miller |
| 2001.08.30.02 | Same Melody Used For Different Songs, from Larry Smith |
| 2001.08.29.11 | Same Melody Used For Different Songs, from Randolph Herr |
| 2001.08.26.09 | Same Melody Used For Different Songs, from Bryan Cather |
| 2001.08.26.08 | Same Melody Used For Different Songs, from Matthew Caulfield |
| 2001.08.25.05 | Same Melody Used For Two Different Songs, from Joyce Brite |
| 2001.08.24.05 | Same Arrangement on Different Music Roll Brands, from Glenn Amer |
| 2001.08.24.04 | Same Arrangement on Different Music Roll Brands, from Jerry F. Bacon |
| 2001.08.23.03 | Same Arrangement on Different Music Roll Brands, from Jon Miller |
| 2000.03.02.07 | Red Gum Wood From Different Trees, from John Wolff |
| 1999.10.02.03 | Different Sounds From Similar Instruments, from Hal Davis |
| 1999.08.21.07 | Different Types of Glass Armonicas, from Craig Smith |
| 1998.09.01.13 | A Different Single-Finger Tracking System, from Phil Dayson |
| 1998.01.04.12 | Band Organs All Sound Different, from Bruce Clark |
| 1998.01.03.08 | All Band Organs Sound Different, from Gordon Forcier |
| 1998.01.02.01 | Band Organs All Sound Different, from Hal Davis |
| 1997.10.08.03 | Different Music for Different Folks, from Andy LaTorre |
| 1997.10.08.03 | Different Music for Different Folks, from Andy LaTorre |
| 1997.10.07.05 | Different Music for Different Folks, from Larry Smith |
| 1997.10.07.05 | Different Music for Different Folks, from Larry Smith |
| 1997.10.06.01 | Different Music for Different Folks, from Dave McMaster |
| 1997.10.06.01 | Different Music for Different Folks, from Dave McMaster |
| 1996.11.04.08 | Merits of Different Glues, from Larry Fisher |
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