Well, for the most part, the two talents are interrelated. It seems that most singers make decent to very good actors, and most actors make decent to very good singers.
What did he do as a kid?
"`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