"Mamma Mia" is a song by the Swedish pop group ABBA, written by Benny Andersson, Björn Ulvaeus and Stig Anderson, with the lead vocals shared by Agnetha Fältskog and Anni-Frid Lyngstad. It is the open

"I Do, I Do, I Do, I Do, I Do" is a song recorded by the Swedish pop music group ABBA for their eponymous third studio album. It was written by Benny Andersson, Björn Ulvaeus, and their manager Stig A