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O.A.R. (short for Of a Revolution) is an American reggae, jam band founded in 1996 in Rockville, Maryland. The band consists of lead vocalist/guitarist Marc Roberge, drummer Chris Culos, guitarist Richard On, bassist Benj Gershman and saxophonist/guitarist Jerry DePizzo. Together, the band has released eight studio albums, including their latest release, The Rockville LP, in June 2014. The band is well known for their live shows and extensive summer touring, and have released five records of various live performances to date. Four of the band members grew up in Rockville, Maryland and attended Thomas Sprigg Wootton High School. After graduating, they went on to study at The Ohio State University where they met the fifth member, saxophonist/guitarist Jerry DePizzo from Youngstown, Ohio.