
First-year pressing
Harden My Heart 1981 Japan Pressing (07SP 590)
Harden My Heart by Quarterflash
Promo
- Artist
- Quarterflash
- Title
- Harden My Heart
- Label
- CBS/Sony 07SP 590
- Country
- Japan
- Released
- 1981
- Format
- 7", 45 RPM, Single, Promo

First-year pressing
Harden My Heart by Quarterflash