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.

New 2 part documentary with the real inside story of an artist who has suffered so many highs and lows. Here's how to watch "Billy Joel: And So It Goes" online from anywhere.

The intimate details of Joel's life and career are revealed in the new HBO documentary, featuring interviews with friends and family.