During Ryan Adams’ encore performance on Thursday night in London, unannounced guest Johnny Depp joined him onstage at Shepherd’s Bush Empire for some extra guitar licks. The two performed “Kim,” off Adams’ new self-titled album, and a cover of Danzig’s “Mother,” which featured an awesome solo by Depp.

Ryan Adams is currently on tour in Europe and kicks off in the US on October 1st in Santa Barbara, CA. You can watch both songs performed below: