$19.99 Harmonic and Melodic Equivalence V21A 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 MetroDrone®: All purpose practice tool Tuba $24.99 Add to cart Get all four courses of the Doing Time Rhythm Series $19.99 Add to cart More Info on the One Minute Lesson Bundle $49.99 Add to cart One Minute Lesson Phrasing $24.99 Add to cart