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"Mamma Mia!" The numbers behind the music

Jul 20, 2018
Gimme! Gimme! Gimme! (a listicle after midnight)
Swedish pop group ABBA gives the thumbs up after winning the Eurovision Song Contest with "Waterloo" in 1974. Left to right: Björn Ulvaeus, Agnetha Fältskog, Anni-Frid Lyngstad and Benny Andersson.
Steve Wood/Daily Express/Hulton Archive/Getty Images