ABBA: The Tour become more "present" to North American audiences. He further felt that the media would not consider ABBA to be a "real" group if they had not toured. In January 1979, ABBA performed alongside the Bee Gees, John Denver and Earth, Wind & Fire at the "A Gift of Song—Music for UNICEF Concert" at the United Nations General Assembly in New York City. The concert benefited the United Nations Children's Fund. Shortly after, it was revealed that members Björn Ulvaeus and Agnetha Fältskog had been separated for several months. Despite this, Agnetha assured the media that the group was united, stating,
ABBA countries as well as in Japan and Australia. The album became a major success, and along with the Spanish version of "Chiquitita", this signalled the group's breakthrough in Latin America. "ABBA Oro: Grandes Éxitos", the Spanish equivalent of "ABBA Gold: Greatest Hits", was released in 1999. In January 1981, Ulvaeus married Lena Källersjö, and manager Stig Anderson celebrated his 50th birthday with a party. For this occasion, ABBA recorded the track "Hovas Vittne" (a pun on the Swedish name for Jehovah's Witness and Anderson's birthplace, Hova) as a tribute to him, and released it only on 200 red vinyl copies,