Complex sentence: The film is based on the 1950 Broadway musical by composer and lyricist Frank Loesser, with a book by Jo Swerling and Abe Burrows based on "The Idyll Of Miss Sarah Brown" and "Blood Pressure", two short stories by Damon Runyon.
Split into simpler sentences: The film is based on the 1950 Broadway musical by Frank Loesser, who composed the music and wrote the lyrics. The book was adapted by Jo Swerling and Abe Burrows from "The Idyll Of Miss Sarah Brown" and "Blood Pressure", two short stories by Damon Runyon.