A look at the biggest singles of 1984, the best pop videos, the artists who appeared in them, and the stories behind the songs. Cheryl Baker reveals how Tina Turner's What's Love Got to Do with It started off as a Bucks Fizz song. Plus, a look at Frankie Goes to Hollywood's controversial Relax, and the hits of Wham!. With contributions from Toyah Willcox, Paul Gambaccini, Carol Decker and Jenny Powell.