Billy Joel’s daughter, Alexa Ray Joel, has shared her honest thoughts on his new HBO documentary titled Billy Joel: And So It Goes.

Less than two months after revealing he’s been diagnosed with Normal Pressure Hydrocephalus (NPH), the 75-year-old music legend has resurfaced for a candid conversation with HBO ’s Real Time host Bill Maher. The two caught up at Joel’s home in Florida for an in-depth interview, set to premiere Monday on Maher’s Club Random podcast.

AND SO IT GOES is an expansive portrait of the life and music of Billy Joel, exploring the love, loss, and personal struggles that fuel his songwriting. With unprecedented access to never-before-seen performances,

"Without giving anything away, lemme just tell you… it’s astounding," she wrote The new documentary about Billy Joel made an impact on his daughter, Alexa Ray Joel. The 39-year-old singer-songwriter took to Instagram on Thursday,