Music festival fans have a new event to add to their calendar this summer. Robert Plant & Sensational Space Shifters and Slightly Stoopid have signed on to take the stage for the first edition of the JamBase Live Festival, which takes place July 5-6 at the Gorge Amphitheatre in George, WA.

Additional acts tapped to play at the fest include Rodrigo y Gabriela , Michael Franti & Spearhead , Robert Randolph & the Family Band , G. Love & Special Sauce and Bruce Hornsby & the Noisemakers .

Special "early bird" two-day passes priced at $60 will be available on Saturday and Sunday from 10 a.m. PT at LiveNation.com. Visit JamBase.com/Live for more information.

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