| # | Title | Length |
|---|
| 1 | Breakdown (Eric Woolfson keyboard part) | 2:51 |
| 2 | Breakdown (projectron and bass) | 1:17 |
| 3 | Breakdown (Ian Bairnson acoustic guitar takes) | 2:12 |
| 4 | Breakdown (Ian Bairnson electric guitar harmony solo) | 0:26 |
| 5 | Breakdown (strings, brass & horns take) | 1:39 |
| 6 | Breakdown (rough mix + alt. backing out take) | 7:51 |
| 7 | Breakdown (rough mix of backing track) | 4:06 |
| 8 | Don’t Let It Show (Eric Woolfson piano takes) | 3:17 |
| 9 | Don’t Let It Show (Eric Woolfson organ take) | 1:46 |
| 10 | Don’t Let It Show (recorders & horns out take in key of D) | 0:59 |
| 11 | Don’t Let It Show (string section take) | 3:09 |
| 12 | Don’t Let It Show (woodwind take in key of D) | 1:35 |
| 13 | Don’t Let It Show (backing track early rough mix) | 4:08 |
| 14 | Don’t Let It Show (rough mix with alt. orchestra score) | 4:52 |
| 15 | Don’t Let It Show (extended end section) | 1:35 |
| 16 | The Voice (rough mix with extra strings & Alan vocoder) | 6:12 |
| 17 | The Voice (backing track rough mix) | 4:08 |
| 18 | Nucleus (experimenting with sound effects) | 4:36 |
| 19 | Nucleus (talking sound effects) | 1:06 |
| 20 | Nucleus (Stuart Tosh drum take with delay) | 1:10 |
| 21 | Nucleus (projectron only) | 4:04 |