User blog comment:Bullet Francisco/The Origin of Your Username/@comment-25089652-20130706022754

Piano= I play the piano. I don't play it that well, my cousin is a master of it though ^^.

Teen= Anyone who is over 13. I am 16.

And that's how I came up with the name "Pianoteen" which I have to use "Pianoteen101" because someone took the name "Pianoteen"