There was a glance between her stomach and the piano. Had much of the noise just been her colliding with it every time she played? Hm.

On his side of the piano, he felt out the right(ish) key and used his left hand to deliberately play three notes.

“You can do the same over …” he turned, knee pressing against hers as he took count of the keys and leaned to take her hand, “… here.” He pressed her index finger over the corresponding higher key. “It is easier to learn a song piece-by-piece.”