Fans of the Swedish supergroup ABBA gathered Saturday in England, Sweden and elsewhere to celebrate the hit song "Waterloo" on the 50th anniversary of its victory at the annual Eurovision Song Contest ...
Agnetha. Björn. Benny. Anni-Frid. All four are superstars in their own right, but when they came together in 1972 to form Swedish supergroup ABBA, they changed the world of music forever. The group — ...