| Digest Nr | Subject and Author |
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| 2007.10.07.01 | Juergen Hocker Wins 2007 Echo Klassik Music Award, from Walter Tenten |
| 2007.09.17.03 | Echo Organ, from D. L. Bullock |
| 2007.09.17.02 | Echo Organ, from Paul Morris |
| 2007.09.17.01 | Echo Organ, from Jim Crank |
| 2003.01.06.14 | FS: Parts for Art Echo Reproducing Piano, from Bill Rylett |
| 2002.12.29.03 | Wurlitzer 165 Band Organ at Glen Echo Park, MD, from Carl Zwanzig |
| 2002.12.28.02 | Wurlitzer 165 Band Organ at Glen Echo Park, MD, from Bob Baker |
| 2002.12.27.09 | T.R.T. Caliola Rolls Played at Glen Echo Park, from Matthew Caulfield |
| 2002.12.27.08 | T.R.T. Caliola Rolls Played at Glen Echo Park, from Carl Zwanzig |
| 2001.01.16.03 | UK Rolls: Echo, Artist, Artistyle, Meloto, Regent, from Adam G. Ramet |
| 2000.04.22.07 | Melville Clark "Apollo" & "Art Echo", from Rob DeLand |
| 1999.06.07.10 | Billy Mayerl " Echo" Dance Rolls, from Julian Dyer |
| 1999.06.05.05 | Billy Mayerl " Echo" Dance Rolls, from John Farrell |
| 1999.06.04.04 | Billy Mayerl " Echo" Dance Rolls, from Adam G. Ramet |
| 1999.05.22.02 | Trademarks Art Echo, Artecho, Art-Echo, from Tom Steuer |
| 1999.05.21.07 | Artecho, Art-Echo, Art Echo, from Dean Randall |
| 1999.05.21.06 | Artecho, Art-Echo, Art Echo, from Mark Reinhart |
| 1999.05.20.15 | Seek Evidence of Artecho, Art-Echo & Art Echo, from Robbie Rhodes |
| 1999.03.21.17 | FS: Art Echo Player Grand, from Philip Jamison |
| 1998.08.20.12 | Late Art Echo and Apollo Rolls, from Mark Reinhart |
| 1998.06.09.19 | FS: DC-7F Disklavier & Apollo Art Echo Grand, from Richard Riley |
| 1998.05.10.04 | Aeolianly Gentle Echo Air Horn, from Robbie Rhodes |
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