Willie Nelson Extends Music Festival Tour With Bob Dylan, John Mellencamp

Willie Nelson Performs At Farm Aid Concert.
Singer Willie Nelson performs during the 13th Annual Farm Aid concert held at Nissan Pavilion in Bristow, Virginia, September 17, 2000. Nelson is one of the founders of Farm Aid, which for 15 years has been bringing together artists to help raise money and awareness for Amerca's struggling farmers. MMR/CM

Chattanooga, TN – The Pulse:

Willie Nelson‘s Outlaw Music Festival Tour has been extended with the addition of 25 shows between June 21 and September 17.

Bob Dylan is set for all the shows, with John Mellencamp, as well as Robert Plant & Alison Krauss co-headlining a few dates. And Twitter sensation, Brittney Spencer has signed on for seven shows.

Tickets go on sale March 1.