"""FILE - Abba, from left, Anni-Frid Lyngstad, Agnetha Foltskog, Benny Andersson and Bjorn Ulvaeus perform at United Nations General Assembly, in New York, during taping of NBC-TV Special, """"The Music for UNICEF concert"""" on Jan. 9, 1979. 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,"""" to be released Nov. 5, is a follow-up to 1981's """"The Visitors,"""" which until now had been the swan song of the Swedish supergroup. (AP Photo/Ron Frehm, File)"""
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