based on the standard major or minor scales consisting of 5 tones and 2 semitones without modulation by accidentals
based on or using the five tones and two semitones of the major or minor scales of western music
based on the standard major or minor scales consisting of 5 tones and 2 semitones without modulation by accidentals
based on or using the five tones and two semitones of the major or minor scales of western music