It’s sad that Friday was supposed to be Billy Joel’s historic Yankee Stadium show, but his Normal Pressure Hydrocephalus diagnosis changed everything.

"The happiest times in my life were when my relationships were going well—when I was in love with someone, and someone was loving me," the six-time Grammy winner told the Associated Press in 2002.

Both episodes of the series will feature interviews from Joel himself, those who know him personally, and other musicians who were either his contemporaries or influenced by his work.