In their 'Directors on Directors' conversation, Bradley Cooper and Spike Lee discuss the importance of music as a filmmaker's tool and what it was like bringing Leonard Bernstein to life in the Netflix film 'Maestro,' while simultaneously directing it. Variety Directors on Directed presented by AIR from Amazon Studios. http://bit.ly/VarietySubscribe http://www.facebook.com/variety http://www.instagram.com/variety http://www.twitter.com/variety