Gayle Forman said this quote

After that, I became kind of fascinated by her and by what I guessed was her ability to hear music in the silence. Back then, I'd wanted to be able to do that, too. So I took to watching her play, and though I told myself the reason for my attention was because she was as dedicated a musician as I was and that she was cute, the truth was that I also wanted to understand what she heard in the silence.