Having played piano on two of the best selling albums of all time, Adele's 19 and 21, Neil Cowley's piano is one of the most widely heard instruments out there. But being a musician-for-hire is something he has put fully behind him, as he releases his stunning album of neoclassical instrumentals, Hall Of Mirrors. We talk about his classical child prodigy days, playing for Gabrielle and Zero 7, and rebelling against it all after a musical epiphany in Berlin that brought him back to his beloved piano.