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,
Chiquitita revised version, which had a sound that was influenced by the Peruvian song "El Condor Pasa (If I Could)" performed by Simon and Garfunkel, was recorded in December 1978 and released as a single in January 1979. With the success of the English version, ABBA also recorded "Chiquitita" in Spanish by phonetics, and it was one of the featured tracks on the Spanish-language release "Gracias Por La Música". "Chiquitita" proved to be one of ABBA's biggest hits. It was featured in a 1979 UNICEF charity event, the "Music for UNICEF Concert", broadcast worldwide from the United Nations General Assembly. As