Robert Trujillo, born October 23, 1964, is a bassist, who has played for Suicidal Tendencies, Infectious Grooves, Cyco Miko, Jerry Cantrell, Black Label Society and Ozzy Osbourne before joining Metallica in 2003. He grew up in venice, california and was a standout among other local musicians. He played in a few local bands before joining Suicidal Tendencies in 1989, replacing the band's second bassist Bob Heathcote. His work with Suicidal Tendencies is considered to be outstanding, and he is responsible for adding in funk influences to the band seen prominently on albums Lights.

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