If you like Billy Joel, well, you’ll have a good time seeing quite a lot of him (he participated fully in the doc’s creation), and if you don’t know anything about Billy Joel, you’ll be able to teach...

Billy Joel is doing much better, the “Piano Man” singer wants fans to know.

Joel was forced to cancel a series of concert dates in May this year, after his doctors told him that his condition had been "exacerbated by recent performances".

NPH is a condition caused by excess cerebrospinal fluid building up in the brain’s ventricles, which leads to increased pressure that compresses brain tissue and can lead to neurological symptoms.