These are two cartoons I remember seeing in school. One was a movie my junior Kindergarten teacher showed us (in 1983 or 1984). In it, as I remember it, there were a boy mouse and a girl mouse making music. This vulture or similar bird came along and he was like an impressario. He took the girl mouse away with him to become a star singer. She eventually wanted to go back, but the vulture wouldn't let her. She escaped and the bird, becoming monstrous in appearance, pursued her. She found her way back to her boyfriend and I guess they escaped together.
The other cartoon was with this man (in what was I think a circa 1900 setting), who had a magic hat that flew through the air and did everything he wanted it to. I remember one scene where the hat collected water and put out a fire. I also remember that another man filled the man's hat with money in gratitude. Another thing I remember (but this may be wrong) is that the man who had the hat had a wheel instead of one foot. Maybe I remember this wrong - at the time I had found out about the existence of things like peg legs, so I might have mixed something up.
Any clue what these two cartoons were?