Knowing numbers (the numbers of the major scale) is the pre-requisite knowledge for most intermediate and advanced skills. These skills include building chords, switching keys, understanding chord progressions, adding non-diatonic notes into solos, etc.
C Major Scale with Numbered Scale Tones
C Major scale
"R" stands for "root," the key center and 1st note of the scale. Press the buttons above to explore the scale tones.