Poor old Alfred. It's not easy being a butler. Especially one working for a nutjob billionaire. While Bruce Wayne runs around in make-up and a cape, Alfred's left in a mansion all on his own with nothing but a piano to keep him company.

Yeah, no one ever lets Mr. Pennyworth have his two pennies worth or gives him a second thought.

Until now. Because searching through the rubble of Wayne Manor, a friend of mine uncovered this heavily-damaged cassette tape of a rare Pennyworth piano session.

Here is Alfred Pennyworth (as played by Michael Caine) singing the Batman Butler Blues: