The Dead [ tickets ], Widespread Panic, James Brown, Sonic Youth, the Allman Brothers Band, Ben Harper and the Innocent Criminals, and Jack Johnson are among the confirmed acts on the bill of the second annual, three-day Bonnaroo Music Festival.

The concert/camping event takes place June 13-15 on a 600-acre farm in Manchester, Tenn., 60 miles south of Nashville. Tickets go on sale on Feb. 22 at 10 a.m. ET, and may only be purchased via the Bonnaroo website.

Other acts among the event's initial lineup include moe., Galactic, the Roots, Bela Fleck and the Flecktones, Medeski Martin & Wood, Sonic Youth, Yonder Mountain String Band, Robert Randolph and the Family Band, Nickel Creek, G. Love and Special Sauce, Tortoise, Sound Tribe Sector 9, O.A.R., North Mississippi Allstars, Warren Haynes, Keller Williams, Garage A Trois, Mix Master Mike, Kid Koala, Z-Trip, Particle Antibalas Afrobeat Orchestra, Smokey and Miho, The New Deal, RJD2, and the Trachtenburg Family Slideshow Players.

According to a press release issued by organizers on Friday (2/14), more major acts will be announced "shortly," and a total of more than 60 acts will be on the bill.

Most festival-goers are expected to camp at the concert site for the duration of the event, but day parking will be available for those who live nearby or who prefer not to camp.

"Live from Bonnaroo," a two-CD set that chronicled some of the best performances from last year's inaugural Bonnaroo festival, and a documentary-style DVD with the same title were released last year.

Last year's event attracted about 75,000 jam-band fans to Manchester, Tenn., from June 21 to 23. The lineup included Trey Anastasio, Widespread Panic, the String Cheese Incident, Gov't Mule, Les Claypool's Flying Frog Brigade, Phil Lesh and Friends, Ben Harper and many others.