Nico is quiet as she listens. While she has no problem butting into Maki's words mid-sentence, talking over her, and getting into too-loud back-and-forths with her, there's this sort of aura about Maki when she plays that's something like sacred. It's the only time she wouldn't even think to interfere, only patiently waiting until the piece is over.

"Hmmmm," she makes a rather ambiguous noise that could sound like appreciation. "I've never heard you play this kind of stuff before. Is that what you usually do?"