Entered from booking ledger and New York Times concert listing and review. NEW YORK PREMIERE of Karl Weigl's VIOLIN SONATA NO. 2 IN G MAJOR "Who Makes Music and Where." New York Times (1923-), Apr 02 1967, p. 109. ProQuest. Web. 2 Oct. 2024. "NEW GROUP OFFERS COMPOSERS' LEGACY." New York Times (1923-), Apr 03 1967, p. 40. ProQuest. Web. 2 Oct. 2024.