Tracklist
| Classical Gas | 3:00 |
| Baroque-A-Nova | 2:15 |
Versions
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| 7127 | Mason Williams | Classical Gas / Baroque-A-Nova (7", Single, RE) | Warner Bros. Records | 7127 | US | 1968 |
| H 353 | Mason Williams | Classical Gas (7", Single) | Warner Bros. Records | H 353 | Spain | 1968 |
| 7127 | Mason Williams | Classical Gas (7", Single) | Warner Bros. Records | 7127 | Canada | 1968 |
| WB 7127 | Mason Williams | Classical Gas / Baroque-A-Nova (7", Single) | Warner Bros. Records | WB 7127 | Canada | 1972 |
| WB 16749 | Mason Williams | Classical Gas (7", Single, RE) | Warner Bros. Records | WB 16749 | Netherlands | 1976 |
| WB 16749 | Mason Williams | Classical Gas (7", Single, RE) | Warner Bros. Records | WB 16749 | Netherlands | 1976 |
| WB 16 749 | Mason Williams | Classical Gas / Baroque-a-Nova (7", Single) | Warner Bros. Records | WB 16 749 | Germany | 1978 |
| WB 16 749 | Mason Williams | Classical Gas / Baroque-a-Nova (7", Single) | Warner Bros. Records | WB 16 749 | Netherlands | 1978 |
| OG 9575 | Mason Williams | Classical Gas (7", Single, Mono, RE) | Old Gold | OG 9575 | UK | 1986 |
| GWB 7127 | Mason Williams | Classical Gas / Baroque-A-Nova (7", RE) | Warner Bros. Records | GWB 7127 | US | Unknown |
| 7127 | Mason Williams | Classical Gas / Baroque-A-Nova (7", Single, RE) | Warner Bros. Records | 7127 | US | Unknown |
| GWB 7127 | Mason Williams | Classical Gas / Baroque-A-Nova (7", Single, RE) | Warner Bros. Records | GWB 7127 | US | Unknown |
