About ABBAA household name Swedish pop girl-boy four piece named after the initials of each member's name, ABBA came to international fame off the back of their Eurovision performance of epic single Waterloo. The career that followed was drenched in high profile singles, from Mamma Mia (later a popular musical featuring only ABBA tracks) to Take a Chance On Me; Dancing Queen to Thank You For the Music. ABBA gold is one of the best selling albums of all time, released in 1992, with sales of over 28 million copies, while total album sales have topped an incredible 370 million copies. Their style incorporates hooks and harmonies, with distinctive layered vocals. The band were originally two married couples, though both marriages failed at the height of the band's popularity. Though ABBA has never officially dissolved, they haven't performed live since late in 1982.