The Roots drummer talks about 50 years of "Saturday Night Live" music and the "powerful" performance that nearly drove him to tears.

Questlove initially intended the documentary to count down the 50 greatest musical moments on SNL, but the project evolved as he dug deeper into the show's musical history.

The sequence sums up SNL's musical legacy arguably better than the rest of the film. Music has been a big part of the show's DNA since the very beginning, when Billy Preston and his band rocked ...

Home Video Documentary Questlove Spent 2½ Years Watching All 900-Plus ‘SNL’ Episodes To Prep His 50th Anniversary Documentary, But Now He Just Wants To Be The Musical Guest – Behind The Lens ...