What film was good morning good morning the song from?

According to the source linked below, "Good Morning to All"--which is the actual title, not "Good Morning to You"--was written in 1893 by two sisters from Kentucky. The tune later become used for "Happy Birthday to You." The song was written for schoolchildren to sing, not for any musical. Good Morning to You is from Singin' in the Rain. A song titled "Good Morning" is part of the musical Singin' in the Rain, and it does include the lines "Good morning, good morning to you" and "Good mornin', good mornin' to you." See the link below for all the lines.