Yes founded the Church of Prog. Its disciples were called mathemagicians. They revered "The King," but not Presley -- Crimson. Their services consisted of mostly instrumental, hour-long songs chock full of synth solos, endless guitar noodlings, medieval themes, and formulaic changes. At the forefront of the mid-'70s Prog Rock movement, Yes' near-falsetto, three- and four-part harmonies sounded like a stoned Bee Gees on a Dungeons and Dragons campaign. "I've Seen All Good People" and "Roundabout" ensure their place on Classic Rock radio in perpetuity. In a sort of bizarre wrinkle of the time continuum, Yes redirected their falsettos and keyboard prowess to coincide with the 1980s' New Wave interest in androgyny and synthesizer sounds to score a radio hit in 1983 with "Owner of a Lonely Heart." And they're still kicking around today. Currently, Yes find themselves recast as the Brothers Gibb hosting Paul Simon for New Year's 2000.