Bj�rn Ulvaeus

Björn Ulvaeus is a Swedish musician and composer. After being a member of ABBA he has, together with Benny Andersson, created the musicals Chess, Kristina from Duvem�la (based in the Immigrant novels by Swedish writer Vilhelm Moberg), and Mamma Mia (based on existing ABBA songs).

See also: List of Swedes in music