Chamber Music Circle Concert Entered from booking ledger and New York Times concert listing and review. The review indicates that this group had just changed their name from Collegium Musicum to Chamber Music Circle. Individual members of the group, beyond those listed here, are not identified. "CONCERT AND OPERA PROGRAMS FOR THE WEEK." New York Times (1923-Current file), Dec 11 1955, p. 158. ProQuest. Web. 28 Aug. 2020. "CHAUSSON WORK HEARD: CHAMBER MUSIC CIRCLE OFFERS CONCERTO FOR VARIOUS SOLOISTS." New York Times (1923-Current file), Dec 12 1955, p. 36. ProQuest. Web. 28 Aug. 2020 .. chamber music performance 1955-12-11T17:30:00