Bjorn Ulvaeus is a songwriter and a former member of the popular Swedish band ABBA, Swedens most important music export of all times! Abba has sold more than 80 million records. After ABBA Bjorn continued his cooperation with Benny Andersson writing musicals, i.e. Mamma Mia! Bjorn was married to ABBA-singer Agnetha Faltskog 1971-1979.