$19.99 Harmonic and Melodic Equivalence V19D Two Triad Pair quantity Add to cart Categories: Bass Guitarists, Ear Training, Time Studies, Instrumentalists, Guitarists Description Description Digital Downloads are Non-Refundable Related products Pitch Class Set Theory and Practice Course Bundle $39.99 Add to cart Doing Time with the Blues Volume One $13.99 Add to cart One Minute Lesson Technique $24.99 Add to cart New York Guitar Method Ensemble Book Two Physical Copy $34.99 Add to cart