Ivan is struggling, and J has to make a decision: keep his identity a secret (a lost cause at this point) or help Ivan (what he's here to do in the first place).

It's kind of a no-brainer at this point.

He grabs hold of Ivan's tune and soothes it, smoothing over static with full, real music. It won't take him long to fix it completely; still, he can't leave the conversation hanging either. "Yeah," he admits with that same half-smile, "something like that. I'm here to help."