It's convenient, Felix thinks, that you have to tune a guitar before you start playing, because it gives him a great excuse not to look at her or say anything.

...at least, until he's finished. He chances a quick glance up at her just to make sure she isn't...laughing at him or something, not that he actually thinks she would. He clears his throat.

"I've...been taking lessons with Greg Universe. It started as an emoji misunderstanding with Dimitri, but...hmph. Anyway, I started with the food song."

With a look of intense focus that's highly reminiscent of the one he wears when he's squaring off against a worthy opponent in battle, he starts to play. It's recognizably the food song, but not just the melody - it's an accompaniment that she could sing along to.