Hedwig's Theme on a homemade punch card. Some parts sound strange, but it was the best I could do on a diatonic music box. You can get one at sites like thinkgeek or grand-illusions. If you want to know it works, check out synthfiend707's tutorial h
by Got Cake?
by specialCANmade
by Antoine Snake Puzzle Tutorials
by Cooking and Craft Chick
by click2 papercrafts
by Quicky Crafts
by Easy Origami