Tracks
| # | Title | Sung by | |
|---|---|---|---|
| 1 | A Priori | Joe McPhee & Joe Giardullo | 28:12 |
| 2 | Specific Gravity | Joe McPhee & Joe Giardullo | 5:52 |
| 3 | After the Rain | Joe McPhee & Joe Giardullo | 10:54 |
| 4 | Sienna | Joe McPhee & Joe Giardullo | 6:42 |
Member reviews
Source: MusicBrainz release group 29fdb17c-0fe5-3df3-9a33-f397d7388e10 (CC0). Cover: Cover Art Archive.