Billy Joel has canceled all upcoming tour dates after being diagnosed with a rare brain disorder. The Grammy-winning singer announced on May 23 that he has normal pressure hydrocephalus, an uncommon condition characterized by fluid buildup inside or around the brain.

Billy Joel’s wife, Alexis, has posted a message thanking fans for their “outpouring of love and support” following the Piano Man’s brain-disorder diagnosis.

Billy Joel, the arena-filling Everyman singer-songwriter, has canceled all of his upcoming concerts, including a large-scale tour scheduled for this year and next, because of a brain disorder known as normal pressure hydrocephalus, he announced on Friday.