T. Rex – 20th Century Boy T. Rex – 20th Century Boy (1973) Directed by: Unknown • • • 20th Century Boy is a song by T. Rex, released in 1973. The song features glam rock influences. The music video includes stylish visuals and energetic performance scenes. 1970s, 1973, Glam Rock, T. Rex, Unknown Related Music Videos David Bowie – Rebel Rebel Bryan Ferry – Let’s Stick Together David Bowie – The Jean Genie David Bowie – Life on Mars? T. Rex – Get It On 1970s, 1973, Glam Rock, T. Rex, UnknownLast Update 1973 /