i was film editor on this star-studded feature-length documentary on the life and work of the wunderkind composer and arranger Jacob Collier, who shot to fame with the astonishing multivocal a capella renderings of 1970s soul hits he uploaded to YouTube as a teenager. Subsequently, he was picked up and mentored by the likes of Quincy Jones, Herbie Hancock, Hans Zimmer and Chris Martin, and has collaborated with Stormzy and Mahalia.