He closes his eyes, but other than that nothing changes for a while. He still rocks, he still stares into the distance, and he may claw a little less frantically, he still tears at his ears. He tries to focus on the singing, but there's still the babble of voices beyond it, there's still so much more leaking in.

Little by little, he leans towards her, until he's resting against her side and his head finally drops to her shoulder. His hand is trapped awkwardly between them, pressed to his ear, but it's nice in it's way. The almost-pain draws his focus.

His eyes shift from their spot in the darkness for just a second, seeking Bruce out before drifting back to the comforting black. But it's enough to be sure that he's there, enough to show Steve that he's not this loud from far away, and he needs that.

It takes another little while, another bout of rocking his knees lightly back and forth, before he starts to hum with them. His voice hoarse and quiet, but at least it's a good sign.