Big Problems and no Idea

For my new tap tap game i want to use a guitar hero style thing wich is quite complicated to explain so i made this MAP so you undestand
The photo is the acutal photage of the game and everything in it was made by be (only the main disc and the sphere)
please Dowload the zip archive and answer to the question !
The photo is the acutal photage of the game and everything in it was made by be (only the main disc and the sphere)
please Dowload the zip archive and answer to the question !