From Wikipedia is a 1940 Paramount Pictures movie directed by Joseph Santley about five actors and dancers putting on a show while living in a theatre. It is adapted from a novel of the same name written by Dorothy Young, which itself is based loosely on her own life.[1] It starred Robert Paige, Peter Lind Hayes, Eddie Quillan, Frank Jenks, and Grace McDonald. It is known for its song, I Hear Music.