Unknown Music 1: Alien Letter
AlbumTracklist 68:55
| 1 | I | 2:51 | |
| 2 | II (Kottke on Mars 1) | 5:57 | |
| 3 | III | 7:59 | |
| 4 | IV | 9:24 | |
| 5 | V | 6:44 | |
| 6 | VI A | 2:43 | |
| 7 | VI B (Kottke on Mars 2) | 6:18 | |
| 8 | VII | 9:17 | |
| 9 | VIII | 4:06 | |
| 10 | IX | 4:44 | |
| 11 | X | 8:47 |
| 1 | I | 2:51 | |
| 2 | II (Kottke on Mars 1) | 5:57 | |
| 3 | III | 7:59 | |
| 4 | IV | 9:24 | |
| 5 | V | 6:44 | |
| 6 | VI A | 2:43 | |
| 7 | VI B (Kottke on Mars 2) | 6:18 | |
| 8 | VII | 9:17 | |
| 9 | VIII | 4:06 | |
| 10 | IX | 4:44 | |
| 11 | X | 8:47 |