Multi-Universe Halloween: What you did

[CONTAINS SPOILERS for the preview]

The song is from Little Audrey: The Lost Dream, the 1949 cartoon made by Famous Studios. It features the Nightosphere Empire. But it contains spoilers. Because Nightosphere's Most Wanted wasn't finished yet. This is the scene where Romeo Conbolt was put on trial for illegal prank, involving a false ranch dressing. As the forces of Nightosphere Empire sings the musical number, Romeo is about to face the death sentence.