The pianist at a lounge on Princess Cruises’ new ship played the theme song from “Titanic” while guests sipped their cocktails. It may seem like dark humor, but the musician is a ghost, after all. As ...

The keys of the piano were moving, producing music as if by magic. As I watched the keys, a waitress holding a tray of sparkly drinks suggested I ask "Isabella" to play me a song. I raised an eyebrow, ...