20th Century Boy
"20th Century Boy" is a 1973 song by glam rock band T. Rex and was released as a stand-alone single. It went to number 3 in the United Kingdom, number 1 in Ireland, number 57 in Australia, number 28 in Spain, number 9 in Norway and number 8 in Germany. It was covered by Def Leppard for their ninth studio album Yeah! in 2006.