The most iconic band of the U.K. glam rock scene of the '70s, T. Rex were the creation of Marc Bolan, who started out as a cheerfully addled acolyte of psychedelia and folk-rock until he turned to swaggering rock & roll with boogie rhythm and a tricked-up fashion sense. For a couple years, T. Rex were the biggest band in England and a potent cult item in the United States.(AllMusic) Significant. File under: Glam Rockers. Discography