I’ll never forget watching the Eurovision Song Contest in 1974 when Abba burst on to the stage, in their weird costumes, with the captivating Waterloo.
As pop technicians they take a lot of beating. My favourite song, One Of Us, was recorded in 1981 for their last album The Visitors, and reached No 3 in Britain. It was not released in America until 1983, by which time the group had disbanded, and managed a dismal 107.