. . . "New York Debut\r\nWORLD PREMIERE of André Singer's 6 PIECES FOR PIANO, OP. 42\r\nEntered from booking ledger and New York Times concert listing and review.\r\n\"CONCERT AND OPERA PROGRAMS OF THE WEEK.\" New York Times (1923-Current file), Oct 05 1958, p. 1. ProQuest. Web. 29 May 2020.\r\nBriggs, John. \"PIANO DEBUT MADE BY JEAN WILLIAMS.\" New York Times (1923-Current file), Oct 08 1958, p. 42. ProQuest. Web. 29 May 2020." . . "1958-10-07T20:30:00"^^ . . . . . . . "Jean Williams, Piano" . "solo recital" .