The “Piano Man” singer has been diagnosed with normal pressure hydrocephalus, which can cause mobility and cognitive issues.

Billy Joel announced Friday that he is canceling all his currently scheduled concert dates after being diagnosed with a brain disorder called normal pressure hydrocephalus. A statement posted to Joel's social media accounts said the condition has been exacerbated by recent performances,

Billy Joel has canceled all of his upcoming shows to focus on treating normal pressure hydrocephalus, a disorder where excess cerebrospinal fluid builds in the brain.