Series in which Iron Maiden singer Bruce Dickinson traces the evolution of hard rock.
3: 1972
A year of extremes in which the glam explosion - headlined by David Bowie , Slade, T-Rex and Mottthe Hopple - clashed with the so-called progressive rock of Yes, Genesis, KingCrimson and Emerson, Lake and Palmer. And Alice Cooper took to the stage and Deep Purple cranked rock's volume up a few notches.