Photos: 36 years of Heart album covers
Dog and Butterfly -1978
Singles from the double platinum album included "Straight On" and "Dog and Butterfly"
Other Photo Slideshows
Artist makes incredible cityscapes out of Jell-O
Photos: 2013 Northwest Pinball and Arcade show 
Photos: 60th Annual WHAS Crusade for Children
Slideshow: Mourners line the procession route for Ofc. Jason Ellis
Your photos: Father's Day 2013
Photos: Rare twin giraffes born in Central Texas
