Conia

...t music or a piano isn't always available). As for the letter, you should know that. Here's a picture of a piano with the #+letter things written above to give you a visual of what I'm talking about. ----> http://www.sciencebuddies.org/mentoring/project_ideas/Phys_img024.jpg (and sorry if this is confusing to you, I've never really taught this to anyone before, so I may w...