The tour includes both headline shows and festival appearances. A U.K. and European leg of the tour is planned for the fall.
The 75-year-old musician told the magazine that the scan indicated lingering brain damage from a rough fall he had onstage in Las Vegas back in 2000.
The lineup also includes In This Moment, The Dillinger Escape Plan, Ice T's band Body Count, Power Trip, The Garden, Health, Converge, plus others.
The project, named 'Farther Than Ever Before', is organized by the Holy Ghost Tabernacle Choir as the first in a series called Sensitivity Patterns, aimed to merge music with social purpose.
Throughout the tour, guests like Chaka Khan, Sam Smith, and Paramore’s Hayley Williams have made guest appearances.
Lady Gaga, Mariah Carey, Taylor Swift, and Nelly will be presented with special awards at the event.
Both Hill and Doechii are part of a select group of women who have achieved Grammy wins for Best Rap Album, alongside Cardi B.
"Ain't no time to think, I want to stay forever."
The award goes to Richards for his "contributions to the cultural and civic landscape of Connecticut", where he has resided since the early '90s, after moving his family to Weston.
The students mentioned songs by 50 Cent, Lil Wayne, and Rihanna, which makes it clear – we're officially oldheads now.