This song is from the movie drama The Bells of St. Mary's, produced and directed by Leo McCarey and starring Bing Crosby and Ingrid Bergman. Written by Dudley Nichols and based on a story by Leo McCarey.

 

"Aren't You Glad You're You?" was written by Jimmy Van Heusen and Johnny Burke and was sung by Bing Crosby in the movie.

 

The character Father O'Malley had been previously portrayed by Crosby in the 1944 film Going My Way, for which he won the Academy Award for Best Actor. The film was produced by Leo McCarey's production company, Rainbow Productions.  Bing was also nominated for a Best Actor in this film.  Bing Crosby's Academy Award nomination for his portrayal of Father Chuck O'Malley made him the first actor in history to receive two nominations for portraying the same character.