It seems as if every 10 years or so a new generation discovers ABBA. They were one of the best selling groups in the world in the 70's, although revisionist historians would suggest they were much bigger in the states than they really were (They only had four top 10 hits here, one of those climbing to the top). The first wave of nostalgia towards the group occurred shortly after their last album in the early 80's. The latest one, which corresponded with the stage production and movie "Mamma Mia", continues the trend that...
