Here are some reviews of the first and original Guitar Hero Game. Check them out.

Guitar Hero w/ Bundle - IGN.COM

Guitar Hero Review - Gamspot.com

If you have another review you would like to add just leave a comment and I will add it for you. Lets make ths section a little bigger!

If you have somehow been living under a rock and do not yet own a copy of the original guitar game that started it all then you better get your hands on a copy of Guitar Hero 1 ASAP. You can purchase from Amazon.com and get Guitar Hero 1 delivered directly to your door.
Guitar Hero 1 Bundle

Guitar Hero 1 (Game Only) - $39.99

Hope you enjoy your trip back to the Guitar Hero roots.