ABBA for the group. The track would set the stage for ABBA's foray into disco with their next album. On 9 January 1979, the group performed "Chiquitita" at the Music for UNICEF Concert held at the United Nations General Assembly to celebrate UNICEF's Year of the Child. ABBA donated the copyright of this worldwide hit to the UNICEF; see Music for UNICEF Concert. The single was released the following week, and reached number-one in ten countries. In mid-January 1979, Ulvaeus and Fältskog announced they were getting divorced. The news caused interest from the media and led to speculation about the band's
ABBA: The Tour sound quality, obviously fatal for any band that depends for impact on mastery of studio technology. During the first half, the performers lacked the supercharged vitality and provocative self-assurance normally associated with big-league artists. However, for cool professionalism, assembly-line precision and computer-perfect programming, the show function like a machine from start to finish." The tour was showcased in the film, "ABBA in Concert". The film captured ABBA's Wembley Arena November, 1979, concerts in London, England. "ABBA in Concert" originally aired on BBC and NBC television in 1980, then was released on VHS in 1980 and DVD in 2004. In late