[even after Mo speaks, there's no answer from the other end for the longest time, picking up where the song leaves off, humming it quietly to herself. Several minutes later, she finally realises that she's been humming to herself, and there's a little laugh, self-conscious and light]
I'm sorry. I think I missed what you said. It's just been a long time since I've heard the koto. It reminded me of someone I knew.