Tracklist
| Sofa |
| Envelopes |
Versions
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| none | Frank Zappa | Sofa/Envelopes (7", Single, Unofficial, Red) | Not On Label (Frank Zappa) | none | US | Unknown |
| none | Frank Zappa | Sofa/Envelopes (7", Single, Unofficial, Blu) | Not On Label (Frank Zappa) | none | US | Unknown |
