United Kingdom, May 23 -- Billy Joel has cancelled his upcoming tour because of a brain disorder.

The 76-year-old musician revealed he has been diagnosed with Normal Pressure Hydrocephalus, which has caused problems with his hearing, vision and balance.

A statement posted on his Instagram said: "Billy Joel has announced that he will be cancelling all scheduled concerts following a recent diagnosis of Normal Pressure Hydrocephalus (NPH). This condition has been exacerbated by recent concert performances, leading to problems with hearing, vision and balance."

Billy is currently undergoing treatment and doctors have advised that performing would have an adverse affect on his health at this time.

The statement continued: "Under his doctor...