The Disco Biscuits, Shpongle’s Masquerade and RJD2 will play the first ever Feed The Rocks concert at Red Rocks Amphitheatre in Morrison, CO on April 27. The show is billed as an Earth Day event will benefit Denver Parks and Recreation. In conjunction, the Disco Biscuits will play more intimate shows at the Boulder Theater on April 25 and 26. Tickets to those shows will only be available as part of a three-day pass, which go on sale at noon MT on Monday, March 4. Single day tickets to the Red Rocks show will on sale Friday at 10am MT.