Buddy Guy, the Roots' ?uestlove, Travis Tritt and the Disco Biscuits have joined the lineup for the fifth Jammy Awards.

Buddy Guy, the Roots' ?uestlove, Travis Tritt and the Disco Biscuits have joined the lineup for the fifth Jammy Awards. As previously reported, the event will be held April 26 at the Theater at Madison Square Garden and will be hosted by the Dead's Phil Lesh, who will also perform.

The bill also features previously confirmed artists Medeski Martin & Wood, Les Claypool, Ryan Adams, Bruce Hornsby, Burning Spear, the North Mississippi Allstars, the Yonder Mountain String Band, Keller Williams, Umphrey's McGee and Leftover Salmon's Vince Herman.

Umphrey's McGee will headline the Jammys after-party at B.B. King's Blues Club, scheduled to begin at 1 a.m. on April 27. Past after-parties have boasted appearances by members of the Dave Matthews Band, Phish, Gov't Mule, Particle and String Cheese Incident.

North Mississippi Allstars and Umphrey's McGee lead the 2005 Jammys field with three nominations each. Fans can vote for their favorites at Jammys.com.