6:33 Quarterflash - Harden My Heart (Chris' Extended Mix) 6:00 Quarterflash - Harden My Heart (Extended 80s Multitrack Version) (BodyAlive Remix) 4:07 Quarterflash - Harden My Heart 3:34 QUARTERFLASH - Harden My Heart (1982) 3:39 Quarterflash - Harden My Heart (Ross Remix) 6:00 Quarterflash - Harden My Heart (BodyAlive Multitracks Remix) 💯% 𝐓𝐇𝐄 𝐑𝐄𝐀𝐋 𝐎𝐍𝐄! 👍 3:55 Harden my heart Quarterflash remix 4:17 Quarterflash - Harden My Heart (Lyric Disco Mix Extended) VP Dj Duck 5:00 QUARTERFLASH - HARDEN MY HEART (DJ AMANDA VS MOTO BLANCO REMIX) 5:29 Quarterflash ~ Harden My Heart 1981 Pop Purrfection Version 3:11 Deadpool Back To The 80's Tribute #81 / Quarterflash - Harden My Heart 7:40 Quarterflash - Harden my heart - Extended Wolf 6:50 Quarterflash - Harden My Heart [1981] [magnums extended mix] 4:09 Harden My Heart | Live Band Performance (Quarterflash) | Sing it Live 9:00 Quarterflash - Harden My Heart (Torisutan Edit Extended) 3:53 Harden My Heart - Quarterflash (Remastered) 3:47 QUARTERFLASH - Harden My Heart 1982