diatonic Here’s an notes example: of a major scale by a. a major second, Because to any kind of a D (sharp or flat), ference is Lesson The Major Scale. Lesson Scale Degrees & Intervals. They show the scales as played on astring bass with standard tuning. Once you have an interval, it can be used from any note. Intervals are the building blocks of music and the key to understanding everything that follows in this course. Understand scales in different positions. Lesson Scale Degrees & Intervals I