[Barricade is not going to sing along with you - because his singing voice is atrocious - but he does hum along and rattles his plating to mimic applause at the end.]

I ever told you that you're extremely good at that?

[Okay, getting serious. He pauses for a long while as he considers the situation. It's not one he's overly familiar with so he couldn't suggest what any of it means.]

Mm, wish I knew more about fixing human brains than I do.

[Or that he was more willing to even fix Cybertronian processors.]

Afraid I don't know how much help I'd possibly be with it.