sentences:  The album's title track won ABBA the 1974 Eurovision Song Contest and became a global hit, launching the group's career.Recording sessions for "Waterloo" began on 24 September 1973 with the track "Dance (While the Music Still Goes On)".This song was unusual in that it is the only ABBA track not to feature member Benny Andersson on keyboards, but instead featured American pianist John Rabbit Bundrick who was in Sweden at the time.