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,

Billy Joel opens up about the new HBO documentary 'Billy Joel: And So It Goes' — and why he "resisted" revealing the highs and lows of his life and career — in this week's issue of PEOPLE.

The legendary singer-songwriter opens up in a new documentary, saying he was depressed "to the point of almost being psychotic."

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

The legendary musician talks about meeting his wife for the first time in the new HBO documentary 'Billy Joel: And So It Goes'

Billy Joel has married four times, including to model Christie Brinkley. The women in his life inspired songs such as “Uptown Girl” and “Just the Way You Are.”

Billy Joel may have been married more than once, but only one ex-wife has her own theme song. In HBO’s new documentary Billy Joel: And So It Goes, the music legend opens up about his marriage to supermodel Christie Brinkley — and the unraveling that followed.

Billy Joel's whose music speaks a lot about him, is all set to open up about his complicated life in a new two-part HBO documentary 'Billy Joel: And So It Goes'