TERRY GROSS, HOST:
This is FRESH AIR. I'm Terry Gross.
My guest, Ahmir "Questlove" Thompson, has made his directorial debut with the new documentary "Summer Of Soul." Questlove co-founded The Roots, which is, among other things, the house band for "The Tonight Show," where Questlove serves as the music director. He describes his new film as his chance to restore history.