. . "Sophie Sollberger, Flute, and Robert Miller, Piano" . . "Entered from booking ledger and New York Times concert listing and review.\r\nWORLD PREMIERE of Milton Babbitt's POST-PARTITIONS\r\n\"Who Makes Music and Where.\" New York Times (1923-), Oct 08 1967, p. 1. ProQuest. Web. 25 Oct. 2024.\r\n\"FLUTE-PIANO DUO GIVES FINE RECITAL.\" New York Times (1923-), Oct 12 1967, p. 55. ProQuest. Web. 25 Oct. 2024." . . "duo recital" . . . . . "1967-10-11T20:30:00"^^ .