And So It Goes' interviews all four of his wives and candidly examines singer's struggles with money, alcohol and critics

Billy Joel gets a well-deserved marquee documentary treatment with And So It Goes, which streams in two big parts.

Billy Joel says there was once "bad blood" between him and Elton John. In the second part of a new two-part HBO documentary Billy Joel: And So It Goes, the "Piano Man" singer opens up about how the "Your Song" musician's public declaration that he needed rehab caused tension between them.

And So It Goes,” the singer is opening up about some tough moments with longtime friend and tourmate Elton John.

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.

Billy Joel was welcomed by his parents, mom Rosalind and dad Howard, in 1949. Here's everything to know about Billy Joel's family, including his parents and siblings.

Forgiveness is complicated. And so is self-examination. But Billy Joel, who has an inherent likability, and his loved ones seem to be well-practiced in the art of both.