The great cellist Emanuel Feuermann considered Barzin to be one of the finest conductors of the twentieth century and indeed he was a most appreciated collaborator of the foremost soloists of the day.
Leon Trotsky | León | Kings of Leon | Nuevo León | Leon Russell | León, Guanajuato | Jean-Léon Gérôme | Kingdom of León | Leon | Saint-Pol-de-Léon | Leon René | Leon Lai | Léon Blum | Leon Redbone | León, Nicaragua | Angelu de Leon | Province of León | Leon County, Florida | Leon Battista Alberti | León, Spain | Leon Panetta | Kings Of Leon | Juan Ponce de León | André Leon Talley | Oscar D'León | Leon Ware | Leon Morris | León Gieco | Leon Dewan | Leon Botstein |
As a harpsichordist, on February 20, 1938 he participated in the Carnegie Hall premiere of J.S. Bach's Coffee Cantata under the direction of Walter Damrosch; the other performers on that occasion included singers Charles Kullman, Helen Jepson, and Lawrence Tibbett; flutist Frances Blaisdell; violinists Jascha Heifetz and Sascha Jacobsen; violist Leon Barzin; cellist Gaspar Cassadó; and double bassist Anselme Fortier.
In the early post-war years he was fortunate to have performances of several of his orchestral works led by Leon Barzin, Leonard Bernstein and Thor Johnson, in New York and elsewhere.