A countdown of the biggest-selling singles of the year, with the most memorable pop videos, the artists who appeared in them and the stories behind the songs. Paul Gambaccini, Adamski, Shaun Ryder, Michaela Strachan, Rhona Cameron, Toby Anstis and other famous faces guide viewers through hits by artists including Take That, Boyzone, Mariah Carey, Celine Dion, Bruce Springsteen, Ace of Base and Whigfield.