"As you say, Tatsu." Tadayoshi nodded as he used the nickname he uses exclusively to him. Which emphasizes how in good terms they are even more. The spot the psychiatrist picked wa perfect: Close to observe, but far enough to prevent distraction.
The first notes were perfect as well. "Wow." He muttered softly under his breath as the doctor's magic melody started filling the room. The kids' expressions seemed to have softened, relaxed, and they've become more focused. He observed as the pianist seemed to have thrown himself to the melody... head swaying a bit, eyes closed, lips slightly parted. Perfect, it seemed like it's the only term Tadayoshi could use to describe those moments... and the doctor himself.