Composer Ashby Anderson outlines an astonishing array of chordal symmetry within nine tone symmetrical scales. In this short and user-friendly e-book, Anderson sheds light on new possibilities for composition and improvisation. By substituting a nine-tone system as a basis for chordal relationships; new harmonic progressions, chord substitutions, and melodic lines emerge through the use of this method. 

                        to the chords and melodic lines, he creates on this modal tune in the key of B Phrygian.