On Thursday, Austin folk pop sensation, Alejandro Rose-Garcia, better known as Shakey Graves, headlined a sold out show at Red Rocks Amphitheater in Morrison, Colorado, just outside of Denver.

Before he took the stage, Rose-Garcia unveiled a stunning art guitar inspired by the iconic venue that he is auctioning to benefit MyMusicRX, the flagship program of the Children's Cancer Association. MyMusicRX partners with children's hospitals around the country, including Dell Children's in Austin, to provide music therapy and music lessons to children battling life-threatening illnesses.

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The guitar, donated by Epiphone, was customized by Rose-Garcia's high school buddy, Carter "H.C." Watkins, an Austin graphic designer and artist who specializes in intricate bead work. Watkins' primary canvases for his bead work are skulls and guitars. He used 28,000 beads to create the Shakey Graves guitar.

The online auction for the guitar opened on Thursday with an starting bid of $5000. By Friday, the price was up to $6500 with a Buy It Now option of $30,000. The guitar will be on display at his shows as Shakey Graves travels the country on his late summer tour. Bidding in the online auction will wrap at the conclusion of the run on Sept. 30.  The show, which also features Dr. Dog and Caroline Rose, is not coming to Austin, but it arrives at the Whitewater Amphitheater in New Braunfels on Aug. 24.