Entered from booking ledger and New York Times concert listing and review. According to the review, "Only the first section of the Blank was given in its initial New York hearing." WORLD PREMIERE of Roman Haubenstock-Ramati's CREDENTIALS (THINK, THINK LUCKY) NEW YORK PREMIERE of Allan Blank's COMPOSITION FOR 11 PLAYERS "Who Makes Music, Where and when: METROPOLITAN OPERA OTHER EVENTS." New York Times (1923-), Feb 06 1966, p. 1. ProQuest. Web. 26 Aug. 2024. "CHAMBER ENSEMBLE OFFERS 2 PREMIERES." New York Times (1923-), Feb 09 1966, p. 31. ProQuest. Web. 26 Aug. 2024.