| Digest Nr | Subject and Author |
 |
| 2005.08.17.06 | New Pipes for an Existing Pipe Organ, from Daniel D. Tenerowicz |
| 2005.08.16.04 | New Pipes for an Existing Pipe Organ, from D. L. Bullock |
| 2005.05.07.01 | Existing North Tonawanda Instruments, from Andrew Barrett |
| 2003.06.25.11 | Adding MIDI Control To an Existing Instrument, from Tony Decap |
| 2000.09.26.11 | Reproducing Player Actions for Existing Pianos, from Eystein Kallhovde |
| 2000.05.30.03 | Existing "Elite Orchestra Apollo" Organs, from Jeff Alterman |
| 1997.12.08.10 | Adding MIDI Control to Existing Player, from Scott Currier |
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