ABBA, from left, Anni-Frid Lyngstad, Agnetha Foltskog, Benny Andersson and Bjorn Ulvaeus, perform at the United Nations General Assembly in New York during taping of a special on Jan. 9, 1979.
LONDON (AP) — ABBA is releasing its first new music in four decades, along with a concert performance that will see the "Dancing Queen" quartet going entirely digital. The forthcoming album "Voyage," ...