In a photo carousel from the set of “Spinal Tap II: The End Continues,” the “Rocket Man” hitmaker reclined in a hospital bed while wearing fully bedazzled casts on both legs, as well as a neck brace.

Billy Joel is opening up about a tough moment with longtime friend and tourmate Elton John. In the second part of the new two-part HBO Documentary, “Billy Joel: And So It Goes,” the “New York State of ...