Two Sisters from Boston is both an operatic and a low comedy treat, Kathryn Grayson and Lauritz Melchior carry the straight chirping, Jimmy Durante is at his peak with an equally legit role in ...

For the week starting Friday, Dec. 10. Times are E.S.T., subject to change. Metropolitan Opera (Sat. 2 p.m., ABC). Tristan und Isolde, with Helen Traubel and Lauritz ...