With this formula, we can build a major scale starting from any note.
Let's put an E scale together, using just one guitar string to keep it simple. Roll over chart for hints.Click notes to hear.Play this series on low E string.
low E string open. 2.Go up a whole-step by playing the E string fretted on the 2nd fret. 3.Go up another whole-step by playing on the 4th fret. 4.Go up a half-step by playing on the 5th fret. 5.Whole, 7th fret. 6.Whole, 9th fret. 7.Whole, 11th fret. 8.Finish up with a half-step higher on the 12th fret.
It's not often practical to play scales all on one string, but it really helps in understanding how a scale is constructed.