[The lyre disappears into light, as Hythlodaeus reduces it down to aether again. The sparkles waft into the air and fade, as Hythlodaeus chuckles quietly. Not mocking, simply fond.]

It doesn't matter. Thank you for listening... I haven't had the chance to play since I arrived here. I'm glad that it was special.

[For him and, hopefully, Eren too.]

I'm glad to see you again, Eren. Truly... every moment with you is precious to me.

[So he's glad that he doesn't have to give up on making more special memories with him.]