Acclaimed director Ron Mann delves into the captivating rise and fall of Clairtone Sound Corporation, an audacious Canadian electronics company founded by Peter Munk and David Gilmour during the vibrant 1960s.
简介：Acclaimed director Ron Mann delves into the captivating rise and fall of Clairtone Sound Corporation, an audacious Canadian electronics company founded by Peter Munk and David Gilmour during the vibrant 1960s.
