The documentary's exclusive interviews with the quartet chronicle the ups and downs of musical stardom and include sidebar contributions from U2's Bono, Paul Gambaccini, Malcolm McLaren, Tim Rice and Steps! ABBA is also shown in concert throughout their illustrious career in archival band footage of classic performances of their most popular hits, including "Dancing Queen," "Fernando," "Waterloo," "Super Trooper" and "Voulez Vous. In addition, "The Winner Takes It All" features excerpts from rehearsals and performances (plus a promotional featurette) of the smash hit stage musical, and worldwide phenomenon, "Mamma Mia!"