So Long

"So Long" is a song by Swedish pop group ABBA, released as the first single from their album ABBA. "So Long" was written and composed by Björn Ulvaeus & Benny Andersson, with lead vocals by Agnetha Fältskog and Anni-Frid Lyngstad. The song is musically similar to "Waterloo". The single was backed with "I've Been Waiting for You," another song from the ABBA album. Track listings Personnel ABBA Anni-Frid Lyngstad – lead and backing vocals Agnetha Fältskog – lead and backing vocals Björn Ulvaeus – backing vocals, rhythm guitar Benny Andersson – backing vocals, keyboards Additional musicians and production staff Janne Schaffer– lead guitar Mike Watson – bass Ola Brunkert – drums