Mamma Mia! The members of ABBA announced Friday that they have recorded new material for the first time in 35 years. The Swedish pop supergroup said it had recorded two new songs, including one titled "I Still Have Faith in You." The news was announced in an Instagram statement (below) from Benny Andersson, Bjorn Ulvaeus, Anni-Frid Lyngstad and Agnetha Faltskog.