What was the Abbott and Costello movie based on a Ziegfeld musical?

The Abbott and Costello movie based on a Ziegfeld musical was "The Time of Your Life" (1948).

This film was based on the 1939 play of the same name by William Saroyan. It won the Pulitzer Prize for Drama and was adapted into a Broadway musical by Harold Rome in 1940. The musical version was then made into the movie with Abbott and Costello taking the lead roles.