- Artist
- Heatwave
- Title
- The Groove Line / Happiness Togetherness
- Label
- Epic 8-50524
- Country
- US
- Released
- March 1978
- Format
- 7", 45 RPM, Single, Styrene
- Format notes
- Santa Maria Pressing
Runout and matrix codes
Etched or stamped in the dead wax between the last track and the label. If yours match, you have this pressing.
- ZSS 164111A Side Label
- ZSS 164112B Side Label
- ZSS-164111-1E STERLING S1Var. 1: A Side Runout
- ZSP 164112-1G SSSVar. 1: B Side Runout
- ZSS-164111-1E STERLINGVar. 2: A Side Runout
- ZSS-164112-1E STERLINGVar. 2: B Side Runout
Other US pressings of The Groove Line
- 1978Epic 8-505247", 45 RPM, Styrene, Stereo
- 1978Epic 8-505247", 45 RPM, Single, Promo, Stereo, Mono
- 1978Epic 8-505247", 45 RPM, Single, Stereo
- 1978Epic 8-505247", 45 RPM, Single, Promo, Styrene, Stereo, Mono
- 1978Epic 8-505247", 45 RPM, Single, Styrene
- 1978Epic 8-505247", 45 RPM, Single, Styrene, Stereo
- 1977Epic 8-505247", 45 RPM, Single