The country music legend is turning 90 on April 28, and, to properly celebrate his milestone birthday, he’s headlining a two-day concert in Los Angeles. “Long Story Short: Willie Nelson 90,” will take place April 29 and 30 at the Hollywood Bowl, and feature performances by Nelson, Kacey Musgraves, Chris Stapleton, The Chicks, Sheryl Crow, Snoop Dogg and many more artists.