VIDEO: One-Night Only Performance of THE UNAUTHORIZED O.C. MUSICAL Takes Place in LA

THE UNAUTHORIZED O.C. MUSICAL was performed at a one-night-only show on Sunday, August 30, at The Montalban. Below, check out video of the cast at the event, performing "California" by Phantom Planet!

Providing the vocals are Tilky Jones (as Ryan Atwood), Molly McCook (as Marissa Cooper), Brendan Robinson (as Seth Cohen), Greer Grammer (as Summer Roberts), Drew Seeley (as Luke Ward) and Betty Who (as Holly Fischer).

In the band are Alex Seller on guitar, Elmo Zapp on bass, Andrew Orbison on keyboard, and Austin Farmer on drums. The track was recorded and produced by Zapp, co-produced by Seller and James "Jroq" Norton, and mixed & mastered by Norton.

According to MTV, three alumni from the series, star Rachel Bilson, producer Stephanie Savage, and "The O.C." creator Josh Schwartz, were in attendance at the performance.

The O.C. originally aired on the FOX Network from August 5, 2003, to February 22, 2007, running a total of four seasons. The series, created by Josh Schwartz, portrays the fictional lives of a group of teenagers and their families residing in the affluent seaside community of Newport Beach, in Orange County, California.

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