Watch Sadisflix. The Pavarotti & Friends for Guatemala and Kosovo concert was held on June 1, 1999, and raised $1 million for War Child programs to aid young refugees from Kosovo and Guatemala. The concert featured guest performances by Mariah Carey, Ricky Martin, B.B. King, Joe Cocker, Boyzone, Lionel Richie, Gianni Morandi, Renato Zero and Gloria Estefan.