How do i use the letters a and b to name this piece of music in apex final?

In Apex Final, you can use the letters "A" and "B" to name the piece of music by referring to musical structures. For example, you might label it "A-B-A" to indicate a repeated theme (A) with a contrasting section (B) in between. This structure suggests a simple yet effective way to describe the composition's form. Just ensure that the labels accurately reflect the music's progression and themes.