Here's a creative approach to the theme song of Super Mario Bros. song. Try beat boxing. I think it would be cool to use this as a ringtone.
His name is Hikakin, A beatboxer from Japan. I never heard of him and I thought it was pretty insane. Beatboxing feels like almost sounds the same to me, I guess im gonna have to take a better look on this.
Check out his blogpage for more stuff other than this.