1977 Reissue In Gatefold With Slick Inner Sleeve. No Bar Code On Back Cover. Slight Corner Ding & Spine Fade. This 5th Album From The Grandfathers Of Heavy Metal Introduced More Textures Diversifying Their Sound While Experimenting With Reggae And Funk Overtones. Mixed Critiques At Release The Record Went On To Be Ranked Number 278 On Rolling Stone's 500 Greatest Albums Of All Time In 2020.