Sheer Heart Attack, released in 1974, is Queen’s third studio album, marking a departure from their earlier, heavier sound toward a more eclectic mix of glam rock, pop, and hard rock. The album includes the hit "Killer Queen," which showcased Freddie Mercury's flamboyant vocals and the band's knack for crafting radio-friendly anthems. With diverse tracks like "Stone Cold Crazy" and "Flick of the Wrist," Sheer Heart Attack cemented Queen's reputation for musical versatility and innovation.