The Numbers

12     1     7    5     2     221-2221     EON

• 12 = 12 tones in our musical system.
• 1 = 1 half step apart.
• 7 = 7 natural tones = A, B, C, D, E, F, and G.
• 5 = 5 sharps/flats.
• 2 = 2 naturally occuring half steps. 2 more naturals than sharps/flats.
• 221-2221 = Major scale pattern. A way to dial up the tones of a Major key.
• EON = Chords are built every other note, from every tone in the key.

Theory System Main | Next is 12 1 7 5 2