When it comes to superstar pop groups, it does not get much bigger than ABBA. During the 1970s and into the '80s, the Swedish foursome of Agnetha Fältskog, Björn Ulvaeus, Benny Andersson ...
ABBA was extremely successful in the 1970s and 1980s and sold over 400 million records worldwide Their music is still extremely influential and had a massive renaissance through the global ...