Structure A one octave C Major scale is made up from the eight notes C, D, E, F, G, A, B and C. This can be extended across the keyboard as required for two, three or four octave scales. Here are the notes of one octave depicted on a piano […] How To Play the C Major Scale on a Piano ...Tuesday 7th February, 2012 in Features tagged c major / guide / how to / Piano / scale by Andy