Appears on releases
| # | Title | Length | Track Artist | Release Title | Release Artist | Release Group Type | Country/Date | Label | Catalog# |
|---|---|---|---|---|---|---|---|---|---|
| Official | |||||||||
| 1.1 | Circles | 4:30 | Hawkwind | The Return of the Legendary Space Rangers | Hawkwind | Album + Compilation |
| Fuel 2000 Records, Varèse Sarabande | 302 061 747 2 |
| 2.14 | Circles | 4:30 | Hawkwind | Warrior on the Edge of Time (reissue, remastered) | Hawkwind | Album |
| Atomhenge (Hawkwind re-issue. A division of Cherry Red) | ATOMCD 31037 |
| 2.14 | Circles | 4:30 | Hawkwind | Warrior on the Edge of Time | Hawkwind | Album |
| Atomhenge (Hawkwind re-issue. A division of Cherry Red) | ATOMBOX 1001 |