The epitome of pomp-rock in the Seventies and Eighties, Queen rocked radio and sports stadiums alike with booming, highly produced anthems like "We Are the Champions" and "We Will Rock You." Onstage, the English quartet used elaborate sets smoke bombs, and flashpots — none of which were quite as captivating as the band's lead singer, Freddie Mercury, whose preening and over-the-top vocals helped make Queen wildly popular.