My My!

This year is the fiftieth anniversary of Waterloo (the song, not the battle) – a seminal moment in pop history which saw Swedish sensation ABBA burst on to the international music scene. How is it that half a century later this seventies Eurovision act is bigger than ever – reaching listeners of all ages and spinning off into musicals, museums and holograms? Giles Smith, writer and music fan, sets out to find out why.