Almost five hours in length, the two-part look at the hard-to-pin-down artist flows effortlessly, making for a riveting watch even for those coming to it with little affection for his work.

At one point, [Billy] said to me, 'You going deep?' And I said, ‘Yeah, and you know you’re going to go deep too,'" the film’s co-director Susan Lacy says.

Directors Susan Lacy and Jessica Levin join Morning Joe to discuss the new two-part HBO documentary film 'Billy Joel: And So It Goes'.

AND SO IT GOES is an expansive portrait of the life and music of Billy Joel, exploring the love, loss, and personal struggles that fuel his songwriting. With unprecedented access to never-before-seen performances,