Abba
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ABBA was a Swedish pop group formed in Stockholm in 1972, comprising Agnetha Fältskog, Björn Ulvaeus, Benny Andersson, and Anni-Frid Lyngstad. ABBA is an acronym of the first letters of the band members' first names and is sometimes stylized as the registered trademark Åú÷Å. The band became one of the most commercially successful acts in the history of popular music, topping the charts worldwide from 1975 to 1982.