VU Meter style visual

I'm looking for a scene in R4 to use as a huge VU meter to be projected behind a dj, something like this http://www.istockphoto.com/file_closeup ... id=3103361
haven't found one so far, how easy would it be to write it as I'm struggling following the tutorial.
haven't found one so far, how easy would it be to write it as I'm struggling following the tutorial.