Conversation so far:
Did Wilson write music for any movies?
His work in films included composing the score for Charlie Chaplin's The Great Dictator (1940) (Academy Award nomination for Best Original Score).
What other movies did he compose for?
and arranging music for the score of William Wyler's The Little Foxes (1941) (Academy Award nomination for Best Music Score of a Dramatic Picture).

Question: Did he win any awards?
Self-contained rewrite: Did Meredith Willson win any awards for his music?