'We didn't know what the film was about. We didn't know there was a conflict of image that could perhaps hurt us later on. It sort of grew, blew out of proportion.' - Barry Gibb In the late 70s, the Bee Gees spectacularly revived their career and, with their soundtrack to the Saturday Night Fever film, became the biggest disco group in the world. But when the disco boom crashed they went from icons to punch lines overnight. The band was inescapably...