Overview
- The single, which was released on 16 August 1976, became ABBA’s signature hit and later reached No. 1 in roughly a dozen to 16 countries, including the band’s only US No. 1 in April 1977.
- Songwriters Benny Andersson, Björn Ulvaeus and manager‑lyricist Stig Anderson built the track from demos begun in 1975 using a working title 'Boogaloo' and a studio process that layered piano, bass, drums and stacked vocal harmonies.
- Writers and producers cite US disco and R&B sources such as George McCrae’s 'Rock Your Baby' and Dr. John as explicit influences on the song’s beat and feel, even though its tempo is slower than many disco hits.
- Recent coverage corrects a persistent myth by noting ABBA first performed the song at a gala for Silvia Sommerlath on 18 June 1976 but did not write it for her.
- Fifty years on, the song’s commercial life is driven by streaming (about two billion Spotify streams reported), frequent covers, and licensing through projects like the Mamma Mia! stage and films that keep it in public use and revenue streams.