| Label: | Crimson Records CR-1010 |
| Genre: | Funk / Soul, Rock |
| Style: | Psychedelic, Funk |
| Format: | Vinyl (7" , Single , 45 RPM) |
| A | Expressway To Your Heart » Written-By: Gamble-Huff | 2:21 |
| B | Hey Gyp » Written-By: Donovan | 2:55 |
| Label: | Lost Nite Records LN-331 |
| Genre: | Funk / Soul |
| Format: | Vinyl (7" , 45 RPM) |
| A | Expressway To Your Heart | 2:21 |
| B | Hey Gyp | 2:55 |
| Label: | Crimson Records CR-1010 |
| Genre: | Funk / Soul, Rock |
| Style: | Funk, Psychedelic |
| Format: | Vinyl (7" , Single , 45 RPM) |
| A | Expressway To Your Heart » Written-By: Gamble-Huff | 2:21 |
| B | Hey Gyp » Written-By: Donovan | 2:55 |
| Label: | Columbia Stateside C 23 634 |
| Genre: | Funk / Soul, Rock |
| Style: | Funk, Psychedelic |
| Format: | Vinyl (7" , Single , 45 RPM) |
| A | Expressway To Your Heart » Written-By: Gamble / Huff | 2:19 |
| B | Hey Gyp » Written-By: Donovan | 2:54 |
| Label: | Crimson Records CR-1010 |
| Genre: | Rock, Funk / Soul |
| Style: | Psychedelic, Funk |
| Format: | Vinyl (7" , Single , 45 RPM) |
| A | Expressway To Your Heart » Written-By: Gamble-Huff | 2:21 |
| B | Hey Gyp » Written-By: Donovan | 2:55 |
| Label: | Collectables C-1303 |
| Genre: | Funk / Soul |
| Format: | Vinyl (7" , 45 RPM , Reissue) |
| A | Expressway To Your Heart » Written-By: Gamble - Huff | 2:21 |
| B | Hey Gyp » Written-By: Donovan | 2:55 |
| Label: | Stateside SS 2057 |
| Genre: | Rock, Funk / Soul |
| Style: | Funk, Psychedelic |
| Format: | Vinyl (7" , Single , 45 RPM) |
| A | Expressway To Your Heart » Written-By: Gamble / Huff | 2:19 |
| B | Hey Gyp » Written-By: Donovan | 2:54 |