$39.99 Pitch Class Set Theory Course Bundle quantity Add to cart Categories: Guitarists, Bass Guitarists, Instrumentalists Description Description Digital Downloads are Non-Refundable Related products MetroDrone®: All purpose practice tool Acoustic Bass $24.99 Add to cart New York Guitar Method Ensemble Book Two Physical Copy $34.99 Add to cart 25 Ear Training Tips: Video Course $24.99 Add to cart Doing Time Rhythm Series Bundle $34.99 Add to cart