The music festival is now in its fourth year with this year's event set to ll take place in the heart of the City of Napa at the Napa Valley Expo on May 27th, 28th and 29th.

This year's lineup will also feature performances from The Lumineers, Death Cab for Cutie, Lenny Kravitz, Walk the Moon, Rodrigo y Gabriela, Ziggy Marley, Grouplove, Michael Franti & Spearhead, Gogol Bordello, Cold War Kids, Iration, MisterWives, Atlas Genius, Andrew McMahon In The Wilderness, Buddy Guy, Andy Grammer, Houndmouth, The Pharcyde, The Struts, The Joy Formidable, Shovels & Rope, X Ambassadors, The Orwells, Coleman Hell, Ozomatli, JamesTown Revival, The Suffers, Kaleo, Langhorne Slim & The Law, Monophonics, The White Panda, San Fermin, Alina Baraz, Nothing But Thieves, Pimps of Joytime, Particle, The Score, Fantastic Negrito, Mike Stud, Son Little, SOAK, Until The Ribbon Breaks, Black Pistol Fire, New Beat Fund, WATERS, Deap Vally, Jamie N Commons, Greg Holden, White Sea, Bird Dog, Machineheart, Secret Weapons, Rose's Pawn Shop, Ivan & Alyosha, The Moth & The Flame, Moonalice, X Alfonso, Taxes, Happy Fangs, Panic is Perfect, Diego's Umbrella, La Misa Negra, Guardian Ghost, Strangers You Know, HEARTWATCH, Royal Jelly Jive, The HELMETS, Anadel, Bey Paule Band, Grass Child Gypsy, The Deadlies, The Iron Heart, Olivia O'Brien, 92 South, and the Napa Valley Youth Symphony.