What are some fun, authentic elements I can include in a Japanese birthday party?

My daughter is turning 9 this year and will be having a few of her friends in a party room at a hibachi restaurant. While it is my understanding that hibachi grills are mostly an American invention, I would like to incorporated truly Japanese qualities into the rest of the party.



We are starting with origami invitations. I thought about making CDs of Japanese music as favors but I am completely unversed in popular Japanese artists and/or not sure what songs would be good for this crowd.



Any other ideas? Remember these are third grade girls and cheap solutions are always great for Mom!What are some fun, authentic elements I can include in a Japanese birthday party?
The Japanese do not have birthday parties like we do in the West. Parents simply take the birthday boy/girl somewhere fun they like to go or to a restaurant. 3rd graders are not quite ready for pop music so the music part of it is hard. If they were middle schoolers, I would have many suggestions on what groups are currently popular, but 3rd graders would probably be better off with music from anime soundtracks. Some major CD/book/video stores even have an anime section. Find out what anime/cartoons your daughter likes and look for the soundtrack of that and other related shows. Apple's iTunes allows you to purchase songs $0.99 each. Even if you don't have an iPod, you can download their free software and burn CDs of your legally purchased tracks. They of course sell music from many Japanese artists.