The What CD, Volume 4
| Track | Durée | Titre | Tablature |
| 1 | 03:50 | O! Sky O! Sky | |
| 2 | 02:34 | Mostly Hydrogen | |
| 3 | 03:48 | Unidentified Field Orchestra | |
| 4 | 02:34 | 4 Ebows on 4 Acoustic Guitars (in a Field) |
| Track | Durée | Titre | Tablature |
| 1 | 03:50 | O! Sky O! Sky | |
| 2 | 02:34 | Mostly Hydrogen | |
| 3 | 03:48 | Unidentified Field Orchestra | |
| 4 | 02:34 | 4 Ebows on 4 Acoustic Guitars (in a Field) |