Emanuel Gruber, Cello New York Debut Entered from booking ledger and New York Times concert listing and review. NEW YORK PREMIERE of Tzvi Avni's ELEGY FOR SOLO CELLO Ericson, Raymond. “Music in Review: Gruber Is Choice Of Concert Guild.” New York Times [New York, N.Y., United States], 26 Jan. 1975, p. 46. solo recital 1975-01-23T20:30:00