Watch Doc Watson and David Grisman - In Concert (2014) : Full Movie Online Free Doc Watson has known David Grisman since the latter was a teenager stunning veteran performers at New York City folk clubs in the 1960s. Aside from the pleasures of picking with an old friend, the reward of playing with Grisman is simple: 'He knows music,' Doc says, 'That's your nutshell answer. He knows what it's about. ' Coming from a master musician for whom the gift of music is the only reason worth leaving the sweet comforts of family and home, that is the highest praise. In this unique concert video Doc and David with their friend Jack Lawrence present their unique blend of country, jazz, bluegrass and folk-music. NTSC all region, 70 minutes.