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 ABBA than to love them." ABBA were soon recognised and embraced by other acts: Evan Dando of the Lemonheads recorded a cover version of "Knowing Me, Knowing You"; Sinéad O'Connor and Boyzone's Stephen Gately have recorded "Chiquitita"; Tanita Tikaram, Blancmange and Steven Wilson paid tribute to "The Day Before You Came". Cliff Richard covered "Lay All Your Love on Me", while Dionne Warwick, Peter Cetera, and Celebrity Skin recorded their versions of "SOS". US alternative-rock musician Marshall Crenshaw has also been known to play a version of "Knowing Me, Knowing You" in concert appearances, while legendary English Latin pop songwriter