As we reported months ago, Railroad Earth and Snarky Puppy will perform at Red Rocks in Morrison, Colorado on September 18. Today, there's been an exciting addition to the lineup.

Grateful Dead drummer Bill Kreutzmann's Billy & The Kids ensemble will join RRE and Snarky Puppy on the Rocks September 18. Billy & The Kids finds Kreutzmann joined by bassist Reed Mathis, guitarist Tom Hamilton and keyboardist Aron Magner. Tickets are available via AXS.com.