Continuity mistake: In one shot of the auditions at the radio station, the sign on the desk reads "Jack Bunny and his Amatuer Hour." In other shots, the error is corrected.
Continuity mistake: When Jack Bunny is handing out the trophy at the radio station, the trophy shifts in the animation because a mallet on the desk is in the way.
Continuity mistake: When the bird with the accordion comes to do his audition at the radio station, the right bellow of his accordion has nothing on it. In the next shot, buttons have appeared.
Owl Jolson: I love to singa / About the moon-a and the June-a and the spring-a / I love to singa / About a sky of blue-a or a tea for two-a / Anything with a swinga to an I love you-a / I love to, I love to sing.