I am a rep from Planet x game center located in Southfield, Michigan. We hold guitar hero II tournaments and all sorts of other tournaments to fulfill your gaming desires. if anybody is interested and wants to learn more feel free to message me.
It might be a good idea to look up the LAN thread. I'm sure some people would definitely be interested and the LAN thread will give you an idea of the gamers who are close to your area.
Guitar Hero II tournament 
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