Tracklist
| Les Soucoupes Volantes Vertes | 2:28 | |
| Jet Girl | 9:53 | |
| Part I: In New-York Or Paris, Equivalent | ||
| Part II: In South Bronx | ||
| Le Retour Des Soucoupes Volantes | 2:21 | |
| Bal-A-Fou | 7:25 | |
| Le Fils Des Soucoupes Volantes (Vertes) | 1:56 | |
| Interface | 19:02 |
Versions
| Title, Format | Label | Cat# | Country | Year | |
|---|---|---|---|---|---|
| Interface (LP, Gat) | Cobra | COB 37013 | France | 1977 | |
| Interface (Heldon 6) (LP, Gat) | Cobra | MLP 5556 | Italy | 1978 | |
| Interface (CD, Album) | Cuneiform Records | Rune 43x | US | 1992 | |
| Interface (CD, Album, RM) | Cuneiform Records | Rune 46 | US | 1992 |