Randy Travis has joined the Merlefest lineup at the personal invitation of the festival's founder, famed guitarist Doc Watson. Merlefest will take place April 28-May 1 in Wilkesboro, N.C. Travis and Watson are both natives of North Carolina. Other musicians on the 2011 lineup include the Doobie Brothers, the Emmitt-Nershi Band, Jim Lauderdale, Lyle Lovett, the Del McCoury Band and many others. Tickets go on sale Tuesday (Nov. 9). The festival was founded in 1988 in memory of Watson's late son, Merle Watson.