$19.99 Harmonic and Melodic Equivalence V10C Two Trichords quantity Add to cart Categories: Ear Training, Time Studies, Instrumentalists, Guitarists, Bass Guitarists Description Description Digital Downloads are Non-Refundable Related products Applying Pitch Class Set Series Course Bundle $49.99 Add to cart Doing Time Rhythm Series Bundle $34.99 Add to cart Melodic Rotations 012345 $19.99 Add to cart One Minute Lesson Harmony $24.99 Add to cart