composer - Mark 'TDK' Knight. Mark Knight is head of Toolroom Records & a UK DJ / producer. He has stamped his impression on the scene of electronic dance music - through a string of releases & parties - highlighting his label. Often collaborating with fellow British DJ Funkagenda, Mark has been at the forefront of commercial house, techno & tech house. Some of his most successful releases are Man With The Red Face (with Funkagenda), Downpipe (with Underworld & D. Ramirez) & an Underworld rework - Beautiful Burnout (Mark Knight Remix).