Musical film is a film genre in which songs sung by the characters are interwoven into the narrative, sometimes accompanied by dancing. (Wikipedia)

Mystery Science Theater 3000 Episode # 701, Night of the Blood Beast, (1958), /w Once Upon a Honeymoon (1956) Review
NASA Don’t Preach Night of the Blood Beast (1958): 7 out of 10: In this 50s sci-fi Roger Corman quickie a returning astronaut (Michael Emmet) […]