Quarterflash - Harden My Heart (Backing track) ID: 005160 All files available for download are covers, they are not by the original artist. Your browser does not support the audio tag. New songs alert Technical Info Key:D Length:3:53 Tempo:120.1 bpm Ending:Proper Ending Bitrate:128 kB/s Samplerate:44 100 Hz File Size:3.55 MB File Format:MPEG 1 Layer 3 (Stereo) Type:Backing Track Style: Pop, Rock, 1980s €4.84 BUY With Backing Vocals BUY Without Backing Vocals BUY With Lead vocal (to learn the song)