Gov't Mule, Robert Randolph and the Family Band, Umphrey's McGee and Michael Franti and Spearhead lead the lineup for the third Mountain Jam, which will expand to three days for its June 1-3 run at Ne

Gov't Mule, Robert Randolph and the Family Band, Umphrey's McGee and Michael Franti and Spearhead lead the lineup for the third Mountain Jam, which will expand to three days for its June 1-3 run at New York's Hunter Mountain.

Other acts set to perform include New Orleans Social Club featuring Henry Butler, North Mississippi Allstars, Ozomatli, Ivan Neville, Leo Nocentelli, Tea Leaf Green, New Monsoon and Backyard Tire Fire.

Tickets go on sale Wednesday (Feb. 21). A limited amount of three-day passes are $99 or $124 with camping included, but prices will increase on May 1.