Joker is a UK-based musical artist who creates music in genres such as dubstep and grime. He was named "2009 king of bass music" by XLR8R Magazine and was featured in the September 2009 issue of The Wire magazine. He has contributed to two releases produced by the London-based record company Hyperdub. He's also known for having created a sub category of Dubstep music called "Purple" which mixes dubstep with electro funky sounds ("Purple City")br br Directed by Robert Semmer - (full credits below)br br Pre-order from Amazon: Pre-order from Rough Trade (UK): br br Full credits:br Director: Robert Semmer (www.robertsemmer.com)br Producer: Ben Pagel (www.spkdm.com)br DP: Anthony Mathile (www.shifteditorial.com)br Camera: Billy Voermann (www.billyvoermann.com)br Editor: Adam Sauermilch (www.milchhouse.com)br Production Company: Spunk Design Machine (www.spkdm.