"You wrote a song for me?"

Turning her head to fully face him again, she lets out a very genuine little laugh. If she didn't have a grin on her face, she'd be looking at him as if his question's the silliest she's ever heard.

Or at least the silliest she's heard today.

"Yeah, I want to hear it now."

He couldn't tell her something like that and then expect her not to be curious enough to want to hear it.