On Conan O'Brien's podcast, Questlove explains how The Roots rekindled their friendships by becoming Jimmy Fallon's house band
On Conan O'Brien's podcast, Questlove explained how he realized The Roots were no longer friends, but merely business partners, while on tour with the Red Hot Chili Peppers in 2006. He said becoming a late night show band for Jimmy Fallon in 2009 reignited the bonds with The Roots.
Source: phillyvoice.com