Tracks
| # | Title | Sung by | |
|---|---|---|---|
| 1 | Tunguska | High Dependency Unit | 7:07 |
| 2 | Tunguska (Signer remix) | High Dependency Unit | 7:47 |
| 3 | Concentricity (live) | High Dependency Unit | 10:34 |
Member reviews
Source: MusicBrainz release group 8c0329c8-320e-33a7-adc4-d541c437a282 (CC0). Cover: Cover Art Archive.