Guitarist who has contributed to the work of bands like The Germs, Nirvana, and the Foo Fighters.
His parents made him take piano lessons, but he began teaching himself guitar at a young age.
He was heavily involved in the Sound City documentary by Dave Grohl.
He was raised in West Los Angeles by a German immigrant father and an African American mother.
He has been honored to play shows and record with Paul McCartney, including for the Live Aid Hurricane Sandy benefit.
