Continuity mistake: When Mickey Mouse comes back down on his platform whilst conducting during the twister, he knocks over a dustbin in the process and there is also a chair next to him. But when we see Mickey conducting in the next shot, both objects have disappeared.
Continuity mistake: When we see Donald Duck tied up in the tree after it was struck by the tornado, the position of Donald's hands changes between shots.
Continuity mistake: When Mickey Mouse turns over the page of his music book, the title is initially "The Storm" but in the next shot changes to "William Tell - The Storm."
Continuity mistake: When Donald Duck goes on to the stage to join the band, he begins playing his flute and you can see that the cow playing a flute is sitting on a chair right behind him. But when Mickey Mouse goes to see Donald, the chair has disappeared.
Continuity mistake: When Donald Duck sees the band performing, he drops the bag of peanuts and you can see it is by his vendor cart, but when he crashes into the cart later on, the bag has disappeared.
Continuity mistake: When Mickey Mouse is preparing to start the concert, you can see that he has a music book on the stand in front of him. When the band start playing in the next shot, the book has disappeared, and in the shot after that, it is back again.
Continuity mistake: When we see Mickey Mouse's band at the start of the cartoon, look at the stand where Mickey is and you can see there is a small brown box with nothing around it. But when the camera pans in on the band in the next shot, there is now a piece of paper next to the box and on the box as well.