In late December 1981 he played a few concerts with Black Flag because their drummer ROBO was detained in England after a tour there .
He is the drummer , main songwriter , and the only constant for the California punk rock group Descendents since its inception .
In late December 1981 drummer played a few concerts with Black Flag because their drummer ROBO was detained in England after a tour there .
He is the drummer , main songwriter , and the only constant for the California punk rock group Descendents since its inception .