When sisters Ann and Nancy Wilson joined a little-known band called Army in Vancouver, BC, it wasn't long before their efforts turned the group into what we know today: Heart. Their debut album Dreamboat Annie was released in Canada in 1975, closely followed by a US release in 1976 to much acclaim, producing hits like Crazy on You and Magic Man. With such a strong start, anyone who voiced doubts over the band was quickly biting their tongues - after all, who doesn't immediately know the lyrics to Barracuda when that iconic guitar riff starts playing?