| Digest Nr | Subject and Author |
 |
| 2020.07.20.02 |
Playing the English Steck Half-Duo-Art, from Paul Rumpf |
| 2020.07.16.02 |
Playing the English Steck Half-Duo-Art, from Niels Berkers |
| 2020.07.16.01 |
Playing the English Pedal-only Half-Duo-Art, from Mike Boyd |
| 2020.07.12.01 |
Playing the English Steck Half-Duo-Art, from Randy Hayno |
| 2010.01.06.06 |
Seek Tubing Diagram for Stroud Half-Duo-Art, from Michael La |
| 1998.02.17.10 |
Modified Half-Duo-Art, from Peter Coggins |
| 1998.02.15.10 |
Steck Half-Duo-Art, from Peter Coggins |
| 1998.02.15.09 |
Snakebite Holes in Half-Duo-Art, from Ed Gloeggler |
| 1998.02.14.06 |
Snakebites on a Half-Duo-Art, from Richard Vance |
| 1998.02.13.11 |
Snakebites on a Half-Duo-Art, from Ian Sanderson |
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