Audio problem: During the bedroom storm scene singing "My Favorite Things", Marta is sitting next to Fräulein Maria and she gets wrapped up in the moment of Maria singing and mouths "feel so bad" - she's not supposed to be singing.
Audio problem: When Prof Fate gets up from the organ it continues to play the Bach Toccata, but the keys and the pattern in the piano roll controlling the organ are not the same as the music.