sprocket was a christen pop punk band from san ramon ca consisting of mark b on guitar and vocals, drew whalgreen on guitar and Phil on drums, they gained popularity in the contra costa county playing house shows and small venues, they were active between 2002 and 2003, after disbanding mark b went on to form the locally successful band the slicks and a subsequent solo project simply called mark b. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.