[As he sways, Visscher moves forward to take his shoulders in his hands and make sure he's steadied.] Are you sure you shouldn't have something to eat? Perhaps that performance took a bit out of you.

[His concern is for Wooster before performing, in any event. Though at the writing of actual notes, rather than musical ones, he gives Bertie the most boggled of looks.]

I didn't- [Well he's putting for that effort. He doesn't want to let him down. That looks a lot of hard work on his behalf.] Perhaps later, lets see to you, first.