'Sun Ra: A Joyful Noise' - "an extraordinary documentary"

"The film’s revelatory perspectives on Sun Ra’s work arise not only from the filmmaker’s analytical understanding of it, and the discussions that he films with Sun Ra and other members of the band, but also from his approach to filming music itself, in rehearsal and concert" - The New Yorker writes in a review of 'Sun Ra: A Joyful Noise', a documentary about the afro-futurist collective. The thing is it starts from the music - "scenes of performance, whether taken from archival clips or filmed anew for the documentary at hand, run for a few seconds at a time before being covered on the soundtrack by voice-overs". So, it's music first...