"rock and roll" is a song by english glam rock singer gary glitter that was released in 1972 as a single and on the album "glitter". it was co-written by glitter and mike leander. the song is in two parts: part 1 is a vocal track and part 2 is a mostly instrumental piece. both parts were popular in britain, and the single went to no. 2 on the british charts. in concert, glitter merged both into one performance.