The legendary, award-winning musician Björn Ulvaeus is a singer, songwriter, composer, and producer, who is best known as one of the four member of the Swedish supergroup ABBA. He is also famous for composing the musicals Chess, and Mamma Mia!, and for co-producing the blockbuster movies Mamma Mia!, and Mamma Mia! Here We Go Again.
Born and raised in Sweden, Björn initially studied law at university, and before he gained recognition with ABBA, wa...