Quarterflash Harden my heart bass cover Okt 8, 2016 Cover Harden My Heart, Cover My, Cover Quarterflash, Cover Retro, Cover Rock, Druhe Slunce, Quarterflash, Quarterflash Harden my heart bass cover. Like 0 Thanks! You've already liked this « The Real Time Band (Cover Harden My Heart) Quarterflash » Harden My Heart- Quarterflash (live cover)