Swedish national selection for the Eurovision Song Contest was called Melodifestivalen 1974 . It was , by far , won by the group ABBA , consisting of Anni-Frid Lyngstad , Agnetha Fältskog , Benny Andersson and Björn Ulvaeus . Their song was called " Waterloo " , which was written by Björn and Benny . It was originally written in Swedish , but for the ESC final , it was translated into English , which the rules allowed the years 1973-1976
Melodifestivalen 1974
Melodifestivalen 1974
Sweden in the Eurovision Song Contest 1974