. . . . . . "Entered from booking ledger and New York Times concert listing.\r\n\"Who Makes Music and Where.\" New York Times (1923-), 23 Feb. 1969, p. 1. ProQuest. Web. 7 May 2025." . . . "Juan Carlos Biondo, Composer-Pianist" . . . . "solo recital" . . "1969-02-24T20:30:00"^^ . .