A NIGHT AT THE OPERA (1935, USA) ***** Comedy, Music, Musical dist. Metro-Goldwyn-Mayer (MGM); pr co. Metro-Goldwyn-Mayer (MGM); d. Sam Wood; w. George S. Kaufman, Morrie Ryskind (based on a story by James Kevin McGuinness); pr. Irving Thalberg (uncredited); ph. Merritt B. Gerstad (B&W. 35mm. Spherical. 1.37:1); m. Herbert Stothart; ed. William LeVanway; ad. Cedric…