ABBA (/ˈæbə/ AB-ə, Swedish: [ˈâbːa]) are a Swedish pop group formed in Stockholm in 1972 by Agnetha Fältskog, Björn Ulvaeus, Benny Andersson, and Anni-Frid Lyngstad. The group's name is an acronym of the first letters of their first names. Widely considered one of the greatest musical groups of all time, they became one of the most commercially successful acts in the history of ... Show More