The Swedish pop band ABBA is one of the most successful and iconic bands of all time. Formed in Stockholm in 1972, the band consists of Benny Andersson, Björn Ulvaeus, Agnetha Fältskog, and Anni-Frid Lyngstad. They are best known for their hit songs such as 'Dancing Queen', 'Mamma Mia', and 'Take a Chance on Me'. ABBA has sold over 380 million records worldwide and is one of the best-selling music artists of all time.