ABBA remains one of the world's most popular bands and their music got a new life of "Mamma Mia" stage show and film. The band's website said in a deluxe version of their latest album, "The Visitors" will be released in April.
"For fans of ABBA, the most sensational package will include a previously unreleased song," From A To Passing a Twinkling Star Angel (demo) "," the statement said.
"This is the first time since the" Thank You For The Music "box set ABBA in 1994 opened the door to the basement tapes to release previously unheard music from the group of greatest splendor," she added.
Edition will also feature a selection of premium DVD material along with rare and previously unpublished in the archives.
The motherboard was released in 1981.
ABBA, made up of Agnetha Faltskog, Anna-Frid Lyngstad, Benny Andersson and Bjorn Ulvaeus, racked up hits in the 1970s and 80s, and their devotion transformed by them in some of the most recognizable in Sweden.
