The singer's ex Katie Lee said Joel always had "a little resentment" toward her for pushing him to seek treatment.

So It Goes’ will fully prepare you to teach a college class on Joel the angry young man, Ex-Wife Guy, and unlikely superstar.

Billy Joel is opening up about a tough moment with longtime friend and tourmate Elton John. In the second part of the new two-part HBO Documentary, "Billy Joel: And So It Goes," the "New York State of Mind" singer shared how John's public comments that he needed rehab strained their friendship.

Dive into Billy Joel's life with this documentary that features interviews and stories revealing the man behind the music.

Now, a two-part HBO documentary is exploring the life, career and personal struggles of Billy Joel, providing an expansive look at the man behind the music. Billy Joel’s former business manager and wife,

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

"I didn't even know I had that many relatives," the singer said of visiting the graveyard where they were buried.