"It will actually improve my voice in time" - so it turns out to have been cosmetic surgery for the voice after all!
Here's a story. There's this fella wakes after having had an operation to his hands. "Tell me doctor - will I be able to play the piano?"
"Don't worry, you'll be playing marvellously in another three weeks or so!"
"That's fantastic - you know, I'd never even thought of playing the piano till just now!"