Knock knock knock knock

Knock knock knock knock, knock Knock knock knock,
knock knock Knock knock, knock knock knock Knock.
Knock knock knock knock, knock Knock knock knock,
knock knock Knock knock, knock knock knock Knock...

Knock knock who's there, knock Knock who's there,
knock knock Who's there, knock knock who's There.
Knock knock who's there, knock Knock who's there,
knock knock Who's there, knock knock who's There?

Philip Glass. (Glass glass, glass Glass glass glass,)

Lucky guy is having a movie made about him, see the trailer. Although "our greatest living composer" is debatable.

p.s. yep, that site is made in iWeb.