The first of three programmes tonight on the theme of the importance of the gay scene and its musical icons in pop culture. This documentary reveals how the social and political liberation of homosexual men has influenced the music mainstream over the past 40 years. Chic's Nile Rodgers, DJ and record producer Paul Oakenfold, Erasure's Andy Bell and Jake Shears of Scissor Sisters discuss the evolution of music, spanning disco, the David Bowie-inspired New Romantics and the emergence of house, through to Lady Gaga and beyond