Derek Shawn O'Brien is a drummer and producer / engineer who has been involved with many bands and projects throughout his career.
He started his career while still at Fullerton High School and played in Rock cover bands by night with Guitarists Stan De Witt and Frank Agnew. While still in High School, he joined local punk rock band Social Distortion and was considered to be the group's first real and consistent drummer. His recordings with the band include the first EP 1945, Single, BYO Compila...
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