VIDEO: Pop-up pianist surprises guests on cruise ship

One cruise ship is surprising guests with an old-fashioned piano player performing in unexpected places on board their ship.

The Stowaway, the latest addition to entertainment on Anthem of the Seas, has been spotted in lifts, restaurants, and anywhere buta normal stage.

He's called the Stowaway as no one knows where he came from or where he's going to turn up next.