No-one, least of all Steve Davis and Kavus Torabi themselves, expected the six-time former World Snooker champion and a British-Iranian underground rock musician to become one of the most trusted brands in British alternative music. In their weekly radio shows and as two-thirds of The Utopia Strong, they set out to do exactly that.

Part sonic memoir, part Socratic dialogue, part gonzo mission to the heart of what makes music truly psychedelic, Medical Grade Music takes us from the snooker halls of Plumstead to the wildest shores of Plymouth's '90s thrash scene in the first work of joint autobiography to trace the evolution of a life-changing friendship through the discographies of Gentle Giant, Voivod and a host of deviant psychedelic avatars.