The names of the music notes are: c d e f g a b c. Some languages use do re mi fa sol la si (or ti) do, or other names. You can find them here: wikipedia.org/wiki/Note. Play these notes: c d e f g a b c and you'll hear the scale of C, which sounds very familiar. The c at the end is the last one and the first of the next scale.
The notes on the right hand side are called 'high' and the notes on the left hand side are 'low'. Next