Singer-songwriter Billy Joel has opened up about his past falling out with fellow music legend Sir Elton John. In the new documentary Billy Joel: And So It Goes, the Piano Man singer admitted that there was “bad blood” between himself and Sir Elton after an interview the latter gave to Rolling Stone in 2011,

Billy Joel's battle now is with a brain disorder called Normal Pressure Hydrocephalus (NPH). He is currently not able to perform, and there is no guarantee he ever will again. The condition can cause cognitive decline, difficulty walking, and other issues. The reason Joel was not at the premiere of the HBO Max documentary was because of NPH.