1. PSI Power (5:09)  
2. Levitation (7:18)  
3. Circles (5:40)  
4. Space Chase (3:23)  
5. Death Trap (4:42)  
6. Angels Of Death (6:28)  
7. Shot Down In The Night (7:12)  
8. Stonehenge Decoded (8:19)  
9. Watching The Grass Grow (3:19) 

czas całkowity - 51:30

skład podstawowy:
- Dave Brock / electric guitar, synthesizer, keyboards, vocal
- Huw Lloyd-Langton / lead guitar, vocal
- Harvey Bainbridge / bass, keyboards (8,9), vocal
- Keith Hale / keyboards
- Ginger Baker / drums

oraz:
- Nik Turner / saxophone (8,9), flute (8,9), vocal (8,9)
- Alan Davey / bass (8,9), vocal (8,9)
- Danny Thompson / drums (8,9)