Abba is a Swedish pop group formed in 1972. They are best known for their iconic hits such as “Dancing Queen,” “Mamma Mia,” and “Take a Chance on Me.” The group consists of members Benny Andersson, Björn Ulvaeus, Anni-Frid Lyngstad, and Agnetha Fältskog. Abba has sold over 380 million records worldwide and is one of the best-selling music artists of all