ABBA was a Swedish pop music group active from 1972 until 1982. The quartet was formed through the friendship of Benny Andersson and Bjorn Ulvaeus and their respective girlfriends Anni-Frid Lyngstad and Agnetha Faltskog, and together they topped charts worldwide from the mid-1970s to the early 1980s. The group name ABBA is an acronym formed from the first letters of each group member's name: Agnetha, Bjorn, Benny and Anni-Frid.
