| 1. An Experiment With An Air Pump | not rated | 1:19 |
| 2. Isobel | not rated | 1:30 |
| 3. 1799 | not rated | 1:47 |
| 4. 1999 | not rated | 2:48 |
| 5. An Experiment With The Heart | not rated | 3:42 |
| 6. Harriet's Play | not rated | 1:23 |
| 7. Scientific Canon | not rated | 2:35 |
| 8. Felo de Se | not rated | 6:43 |
| 9. An Experiment With Life | not rated | 4:30 |
| 10. Song For Isobel | not rated | 3:59 |
| 11. An Experiment With An Air Pump (Demo) | not rated | 1:03 |
| 12. An Experiment With An Air Pump (Alternate) (Demo) | not rated | 1:02 |
| 13. Isobel Theme Suite (Live Demo) | not rated | 6:58 |
| 14. 1999 (Unused Demo) | not rated | 1:09 |
| 15. Life Experiment (Live Demo) | not rated | 4:30 |
| 44:58 |
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