On Heart's 1976 debut, Dreamboat Annie, Ann and Nancy Wilson rocked as no other female act had since Janis Joplin. The record is all the more amazing for its diversity, demonstrating that the sisters were equally at home in the folky confines of Carly Simon and Joni Mitchell as they were in the heavy blues environs of Led Zeppelin. Nowhere is the influence of the latter more prevalent than on "Barracuda," with its instantly recognizable "Achilles' Last Stand" riff and bated-b...  [+]