"1965-10-21T20:30:00"^^ . . . . . "U.S. Debut\r\nEntered from booking ledger and New York Times concert listing and review.\r\nNEW YORK PREMIERE of Guillermo Uribe Holguín's SONATINA FOR PIANO, OP. 57\r\n\"Who Makes Music and Where.\" New York Times (1923-), Oct 17 1965, p. 1. ProQuest. Web. 24 July 2024.\r\n\"LOCAL DEBUT MADE BY OLGA MORALES.\" New York Times (1923-), Oct 22 1965, p. 49. ProQuest. Web. 24 July 2024." . . . . . "solo recital" . "Olga Morales, Piano" . . .