ABBA se reforme de Bel7 · 28 avril 2018 ABBA Mamma Mia! ABBA make new music after 35 years Stockholm (AFP) – “Mamma Mia! Here we go again”: Sweden’s legendary disco group ABBA announced on Friday that they have reunited to record two new songs, 35 years after their last single, sparking joy and surprise among fans. The new… YAHOO.COM