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. Bundrick, however, was not credited on the album. Three weeks later the next two songs ("Suzy-Hang-Around" and "My Mama Said") went into the studio. A recording sheet from the day credits the artist as "ABBA", the first time the name was ever used in writing, the .