Keith Richards was the surprise unannounced guest for night 2 of Willie Nelson’s 90th birthday tribute at the Hollywood Bowl — a surprise, at least, for anyone who hadn’t spotted his name ...

Watch Nelson and Haggard sing “Pancho and Lefty” below. [RELATED: Watch Merle Haggard and Toby Keith Join Willie Nelson to Sing “Mama Tried” at the Wiltern in 2004] When it comes to Outlaw ...

Nonagenarian Country Music Hall of Famer and pop culture icon Willie Nelson's ... Dave Matthews, Nelson's sons Lukas Nelson and Micah Nelson, Keith Richards, George Strait and Chris Stapleton.

For Willie Nelson’s 90th birthday ... shows at the Hollywood Bowl on April 29 and 30 features such stars as Keith Richards, Neil Young, Stephen Stills, Dave Matthews, George Strait, Norah ...