(11/6/1955) Season 6, Episode 4. Jack figures out that he's not a great violinist; Rochester and Mary plot to fool him into believing he is a great violinist with the help of Issac Stern. Jack Benny, Eddie 'Rochester' Anderson, Mary Livingstone, Isaac Stern, Mel Blanc, Grandon Rhodes, Robert Peterson, Don Wilson, Alexander Zarkin, Director: Ralph Levy.