♪ >> it was just one after the other. 'staying alive," "more than a woman," "how deep is your love," "night fever," on one cassette. >> you listen to those tapes. everything on that record would have been hits. those songs are so good. so cool. >> we had the demo and we went into the process of making real records. >> barry, colin, and i lived in that control room, i don't know, 16 hours a day. >> yeah. that was the only thing to do. >> we recorded "night fever" first. we actually had that in a can. >> robin called and said, i need a title for the film. what i've got at the moment, i said, is two titles, "staying