| 1. | Taking the notes of the major diatonic scale as roots , and using only the notes of that scale , major triads may be formed on the tonic , subdominant and dominant , that is the first , fourth and fifth degrees of the scale 把大自然音阶的音作为根音,只使用该音阶的音,大三和弦可由主音,下属音和属音构成,即该音阶的第一、第四和第五级音。 |