- Artist
- Quarterflash
- Title
- Harden My Heart
- Label
- Geffen Records GEF49824
- Country
- US
- Released
- 1981
- Format
- 7", Single, 45 RPM
- Format notes
- Jacksonville 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.
- ZCA 9930SA-Side Label
- ZCA 9929SB-Side Label
- GEF-49824-ZCA-9930-S JW1 Wally MASTERED BY CAPITOL 0A-Side Runout
- GEF-49824-ZCA-9929-S JW1#1 Wally MASTERED BY CAPITOL 0B-Side Runout
Other US pressings of Harden My Heart
- 1981Geffen Records GEF 498247", Promo
- 1981Geffen Records GEF498247", Single, 45 RPM
- 1981Geffen Records PRO-A-98712", 33 ⅓ RPM, Promo
- 1981Geffen Records GEF498247", Single, 45 RPM
- 1981Geffen Records GEF498247", Single, 45 RPM
- ?Geffen Records GGEF 042645 RPM, 7", Single, Reissue
- ?Geffen Records GGEF 04267", 45 RPM, Single, Stereo
- ?Geffen Records GGEF 04267", 45 RPM, Single, Reissue, Stereo