was a pop music group
formed in Sweden in November 1970. The band consisted of Anni-Frid Lyngstad
(Frida), Björn Ulvaeus
, Benny Andersson
and Agnetha Fältskog
. They topped the charts worldwide from 1972 to 1982. The name "ABBA" is an acronym
formed from the first letters of each of the group members' given names (A
nni-Frid), and the group took this name officially in late 1973. The group's name is officially trademarked with the first "B" reversed.