answered
There are white and black notes on the piano.  The white notes have names beginning at the far left and called:

A-B-C-D-E-F-G  and then it repeats.

The black notes are "behind" the notes.  If a white note is "lowered"(to the left) 1/2 step, it's called a flat (b).  If a white note is "raised" (to the right) … Read more