Sans' 'performance' has Shen jumping in surprise- nearly hurling himself over in to the main part of the pool. "Sans-! he hisses, the dissonant noise all but hurting his ears, "you're not supposed to bring that in there-!"

Gosh, just- sometimes he cannot believe him. How could you risk your instrument like that? Well, true, a synthesizer would be a little more damaged by water, but- rust!

Huffing to himself, he submerges in the water for a few moments, closing his eyes against the warm water - then quickly pushes himself back up to a stand. If he splashes Sans, that's just too bad, isn't it?

"So...spraying- no, what about-" He swallows, thinking for another few seconds before tentatively half-speaking, half-singing. His voice is far from as strong or clear as Bolin's, but it can carry a tune, at least. "Painting the pain with my fingers, a canvas of unsteady thoughts, alone with my empty spray can...?"