The Swedish pop savants ruled 1970s radio, invaders coming from the land of the ice and snow to become the top-selling act of their time. Björn Ulvaeus, Benny Andersson, Agnetha Fältskog and Anni-Frid ...
ABBA's "Mamma Mia" is world famous. With a catchy chorus and a blockbuster film starring Meryl Streep and Amanda Seyfried behind it, people of all generations know the tune. But back in 1975, the band ...