Crack6 is PENICILLIN guitarist Chisato’s solo project that he started on June 6, 2003. “Hybrid Music Project” is the concept of the project and involves collaborations with musicians from varying genres. It consists of live performances, recordings, and visuals.
The project went on hiatus in June 2008, but was revived in July 2009. Chisato goes under the name MSTR (mister) for the Crack6 project.
Official Website: http://www.crack6.jp/