Porter, Cole. (1891–1964) Typed Letter Signed about "Mississippi Belle"A brief typed letter signed from the important composer and lyricist to Warner Brothers producer Arthur Schwartz, sending a copy of a letter from Max Dreyfus granting the rights to use Porter's song "Experiment" in the film Mississippi Belle. Dated May 16, 1944. 1 p. Small tear at the head, else fine. Porter began working on the score for the planned Warner Brothers film Mississippi Belle in 1943, but his dealings with producer Arthur Schwartz were