Watch Cornet at Night for Free: How to Stream the Movie Online at 123Movies. . Based on a short story by Sinclair Ross, this short film recalls rural life on the Prairies in the 1930s. In the film a farmer's young son, sent to town to hire a man for the harvest, readily accepts when an itinerant trumpet player, down on his luck, begs a chance. He is hardly the kind of man the boy's father had in mind, but that night his trumpet speaks from the shadows and everyone pauses to listen.