ABBA is a Swedish pop music group formed in Stockholm in 1972. Comprised of Anni-Frid Lyngstad (Frida), Björn Ulvaeus, Benny Andersson and Agnetha Fältskog (Anna), the group topped the charts worldwide from 1972 to 1982. According to an interview with Jim Henson, in the 1981 issue 22 of Röster I Radio TV, he tried to get ABBA on The Muppet Show, but they could not get the schedules to fit.