6 books • 4 series
Master Method for Band
Bastien Master Theory Book 4 (Elementary Harmony, #4)
Master Theory, Book 6 (Advanced Harmony & Arranging, #6)
Master Theory, Book 5 (Intermediate Harmony & Arranging, #5)
Master Theory - Book 3 (Master Theory)
Master Theory, Book 1 (Master Theory, #1)