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,

The legendary musician's life is getting the documentary treatment in the new HBO film 'Billy Joel: And So It Goes'

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.

And So It Goes, and offered a rare glimpse into his personal life behind the scenes.The 76-year-old legendary singer opened up

Billy Joel opens up about his struggles with alcohol abuse in the new HBO documentary Billy Joel: And So It Goes — and reveals that ex-wife Katie Lee gave him something of an “ultimatum” to either seek help or end their relationship.

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.

A pedicab driver in New York City got the surprise of his life when Billy Joel stops to say hello after hearing his own song "New York State of Mind" being played for passengers.

The Piano Man opens up to PEOPLE in this week's cover story about the revealing new documentary 'Billy Joel: And So It Goes'