A documentary that sets out to unravel the enigma surrounding former pop idol, rock god and now avant-garde song composer Scott Walker. A host of stars - from David Bowie to Damon Albarn - pay tribute to an unsung pop legend. Featuring David Bowie, Radiohead, Jarvis Cocker, Brian Eno, Damon Albarn, Marc Almond, Alison Goldfrapp, Sting, Dot Allison, Simon Raymonde, Richard Hawley, Rob Ellis, Johnny Marr, Gavin Friday, Lulu, Peter Olliff, Angela Morley, Ute Lemper. Directed by Stephen Kijak.