The original soundtrack by Radiohead’s Thom Yorke and 3D, one-half of Massive Attack, also known as Robert Del Naja, in collaboration with Radiohead’s Jonny Greenwood, Massive Attack producer-engineer Euan Dickinson and Elbow’s Guy Garvey for the documentary The UK Gold, an award-winning film about tax “avoidance”, was released for free on a UK protest site three days ago.