Glam rock or Glitter is a style that developed in the in Britain in the early 1970s. It was defined by singers and musicians who wore outrageous clothes, makeup, and hairstyles, particularly platform-soled boots and glitter.
During 1971 and 1972, their musical style followed a marked progression from the Archies-like bubblegum style of “Funny Funny” to a Who-influenced hard rock style supplemented by a striking use of high-pitched backing vocals.
Add some Bowieesque makeup and costume and suddenly Glam Rock was hitting the pop charts. This song was inspired by an incident in 1973 when the band was performing in Scotland and were driven offstage by a barrage of bottles.