Queen’s third studio album Sheer Heart Attack, released on November 8, 1974, marked their breakthrough into mainstream success with the hit “Killer Queen” and a shift toward a more direct, hard rock and glam sound. Artist: Queen Title: Sheer Heart Attack Date: November 8, 1974 Label: EMI Format / Type: LP Vinyl Album (Stereo), Cassette Album, 8-Track Cartridge Country: United Kingdom Catalogue: LP: EMC 3061 / OC 062 ◦ 96025 (and variants) Cassette (TC): TC-EMC 3061 / OC 244 o