"Waterloo" one of the most successful songs of ABBA. He opened the door to success, through the victory in the Eurovision Song Contest, in Brighton 1974.
"Waterloo" is a fantástic Masterpiece under 3 minutes and ABBA 's victory on Eurovisión at UK 1974 (next April 6 will be their 50th anniversary) is the Most Important Musical Act of the decade
