Stockholm, Sweden (1970 1982)
ABBA was a pop music group formed in Stockholm, Sweden in November 1970. The band consisted of Anni-Frid Lyngstad (Frida), Björn Ulvaeus, Benny Andersson, and Agnetha Fältskog. (See also Björn Ulvaeus & Benny Andersson, as well as Bennys previous band Hep Stars.)
They topped the charts worldwide from 1972 to 1982 with eight studio albums, achieving twenty-six #1 singles and numerous awards. They also won the 1974 Eurovision Song Contest with Waterloo.