Paul McCartney Reveals the Billy Joel Song He Wishes He'd Written originally appeared on Parade.

Billy Joel discusses his struggle with balance issues due to normal pressure hydrocephalus, a little-known brain disorder that led him to step back from the music industry.

Billy Joel: And So It Goes Part 2 premieres Friday, July 25 at 8:00 p.m. ET on HBO and HBO Max. You can stream the first half of Billy Joel: And So It Goes on HBO Max.

Joel reassured fans that he's doing "fine" while appearing on the "Club Random" podcast with comedian Bill Maher.

In a packed first half of the year for the Korean entertainment industry, these are our expert picks for 25 standout singles ...