READ MORE: NYFF Review: Paul Thomas Anderson is Trying Something Different With 'Junun' Paul Thomas Anderson's mysterious documentary project "Junun" had its world premiere yesterday at the 53rd New York Film Festival, and if reviews out of the screening are to be believed, it seems like the director has effortlessly switched to non-fiction filmmaking. The 54-minute documentary is a collaboration with Jonny Greenwood, the guitarist from Radiohead who has scored Anderson's last three films, and Israeli musician, composer and poet Shye Ben Tzur.