Masterwork Seminar–Sing Entered from booking ledger and New York Times concert listings. This event featured an informal reading and analysis of Bach's B Minor Mass, led by David Randolph. "Who Makes Music and Where." New York Times (1923-), Jun 04 1967, p. 1. ProQuest. Web. 22 Oct. 2024. "MUSIC NOTES." New York Times (1923-), Jun 07 1967, p. 43. ProQuest. Web. 22 Oct. 2024. choir performance 1967-06-14T20:00:00