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

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).

Billy Joel and Elton John haven’t always seen eye to eye. During the newly released second part of HBO’s “Billy Joel: And So It Goes” documentary, Joel revealed how John’s public push for him to enter rehab caused a major rift between the two music superstars.

And So It Goes' premieres on Friday, July 25 Billy Joel is reflecting on his unprecedented run at one of the world’s most iconic performance venues. In an exclusive clip shared with PEOPLE from part 2 of the HBO documentary Billy Joel: And So It Goes,

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

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,

Seven-hour playlist features unreleased live recordings and outtakes, including the first-ever performance of "Scenes From an Italian Restaurant"