| Digest Nr | Subject and Author |
 |
| 2014.06.24.04 | Duo-Art Fan Accordion Enables Loudness Reduction, from Bill Koenigsberg |
| 2012.02.27.03 | Decibel Loudness of a Player Piano, from Joyce Brite |
| 2009.01.15.01 | Measuring the Loudness of a Fair Organ, from Dale Dohler |
| 2007.11.11.14 | Seek Seeburg "L" 3-position Loudness Control Unit, from Brad Hunter |
| 2007.11.11.13 | Seek Seeburg "Piano" Loudness Knob, from Brad Hunter |
| 2001.05.23.06 | Pipe Loudness Inside vs. Behind the Case, from Stephen Kent Goodman |
| 2000.06.05.10 | Foot Pedal Loudness Control for Solenoid Player, from Andy Taylor |
| 1999.12.09.07 | PianoDisc Identification & Loudness, from John Dewey |
| 1996.08.29.07 | Perceived Loudness, from Terry Smythe |
| 1996.08.29.05 | Loudness vs. Pleasure, from John A. Tuttle |
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