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

Directed by Susan Lacy and Jessica Levin, Billy Joel: And So Goes is split into two parts, with Part 1 airing tonight on HBO and HBO Max, and Part 2 airing next week, on Friday July 25. The film features extensive present-day interviews with Joel himself (now 76, and recent diagnosed with a brain condition that forced him to cancel his tour).

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

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

On Friday HBO Max aired Part II of the Billy Joel documentary And So It Goes. Shortly after, Joel treated fans to a massive, surprise-released accompanying album of the same name, collecting over 150 tracks from across the Piano Man’s extensive career.

A 115-song playlist covering Billy Joel's career hit YouTube, Spotify and other streaming services on July 26. Joel introduces many of the songs.

Billy Joel talks about meeting his wife Alexis for the first time in the new HBO documentary 'Billy Joel: And So It Goes,' which is now streaming.