Continuity mistake: When we first see the Owls' house at the start of the cartoon, the violin sign above the door entrance reads "Prof. Owl." But in a close-up of the sign in the next shot, it now reads "Prof. Fritz Owl."
Continuity mistake: During the auditions at the radio station, the wording on the window reads "Gong Broadcasting." But in a shot of Owl Jolson seeing Jack Bunny at his desk, the wording reads "Gong Broadcasting Station."
Continuity mistake: When Father throws Owl Jolson out of his house after he catches him singing jazz during his singing lesson, you can see there is nothing by the door, but when Father walks back after throwing his son out, a doormat has appeared.
Continuity mistake: When Owl Jolson is performing "I Love to Singa" at the radio station, his family peer through the window and you can see a violin in its case. But in the next shot, the violin is on the floor with the case nowhere in sight.
Continuity mistake: When we first see the auditions at the radio station, there is a window which has "Gong Broadcasting" on it. Later on in the short, the wording on the window changes to back to front.
Continuity mistake: At the radio station, a saxophonist comes to Jack Bunny's desk to do his audition and you can see there are two pieces of paper on the desk. But when the accordion player does his audition, the pieces of paper have disappeared.