I can't believe I forgot wig in a box! Shame on me. I actually rrrreally like Origin of Love. So much so that, if I were less of a pansy (and were certain to never have stretch marks), my first choice for a tatoo would be the children of the moon illustration from the movie version.
As for what he's singing, I'm guessing Without You and I'm hoping WYO with audience participation (AKA, I volunteer to sing Roger's part, and he says, "Super!")
"`I grow old... I grow old... I shall wear the bottoms of my trousers rolled.` What does that mean, Mr. Marlowe?"
"Not a bloody thing. It just sounds good."
He smiled. "That is from the `Love Song of J. Alfred Prufrock.` Here's another one. `In the room women come and go/Talking of Michael Angelo.' Does that suggest anything to you, sir?"
"Yeah -- it suggests to me that the guy didn't know very much about women."
"My sentiments exactly, sir. Nonetheless I admire T. S. Eliot very much."
"Did you say, 'nonetheless'?"
- The Long Goodbye by Raymond Chandler