| Digest Nr | Subject and Author |
 |
| 2008.10.12.02 | Single-Finger Music Roll Tracking System, from Mike Morrey |
| 2008.10.10.03 | Single-Finger Music Roll Tracking System, from Marc Goodman |
| 2008.10.09.01 | Single-Finger Music Roll Tracking System, from Mike Morrey |
| 1999.11.20.10 | Single-Finger Music Roll Tracking System, from Julian Dyer |
| 1999.11.16.06 | Single-Finger Music Roll Tracking System, from Mike Kitner |
| 1999.11.15.11 | Single-Finger Music Roll Tracking System, from Craig Brougher |
| 1999.11.14.11 | Single-Finger Music Roll Tracking System, from Mike Kitner |
| 1999.11.14.10 | Single-Finger Music Roll Tracking System, from Richard Vance |
| 1999.11.14.09 | Single-Finger Music Roll Tracking System, from Craig Brougher |
| 1999.11.14.08 | Single-Finger Music Roll Tracking System, from Dan Wilson, London |
| 1999.11.13.13 | Single-Finger Music Roll Tracking System, from Stephen Kent Goodman |
| 1998.09.01.13 | A Different Single-Finger Tracking System, from Phil Dayson |
| 1998.09.01.12 | Aeolian Single-Finger Tracking System, from Dan Wilson, London |
| 1998.09.01.11 | Aeolian Single-Finger Tracking System, from Julian Dyer |
| 1998.08.31.15 | Aeolian Single-Finger Tracking System, from Stephen Kent Goodman |
| 1998.08.30.07 | Aeolian Single-Finger Tracking System, from Dan Wilson, London |
 |