It's the best option we've got.

[ She shakes her head at the sound still piercing them as he clearly hits some kind of high note he's proud of, not that he's in tune for it. ]

I think Demyx loves music enough that it'd get him interested. I mean, it's just a jam session, right? And he and Sora are friends, so maybe Sora can talk to him for us. Like you said, it can't hurt to ask.

[ Demyx may say no, Sora may say no, but it's a plan. ]