It featured performances by Christina Aguilera, AFI and Gnarls Barkley. Cee-Lo Green of Goodie Mob and Gnarls Barkley. The Gnarls Barkley touring lineup also featured future Chili Peppers guitarist, Josh Klinghoffer. The concert featured Gnarls Barkley, Spoon, The Raconteurs, and Bob Dylan and his band. St. Elsewhere is the debut album by American soul duo Gnarls Barkley. She has also supported artists such as Femi Kuti, Bilal, Seeed, and Gnarls Barkley. Gnarls Barkley's "Crazy" as highlights. The name Gnarls Barkley isn't anchored down. Mevlana has also performed "Crazy" with Gnarls Barkley. Klinghoffer was a touring and session musician for Gnarls Barkley. Green's next project was Gnarls Barkley, a collaboration with DJ Danger Mouse. They also played shows with Gnarls Barkley, The Roots, Beirut and Bloc Party. Along with DJ Danger Mouse, Green was part of a duo called Gnarls Barkley. Gnarls Barkley experienced a surprise hit with their debut single "Crazy". On 9 September 2016, he released a cover of Gnarls Barkley's "Crazy".