In this book in order to receive the post-tonal sound I have redesigned primary progressions by using an inversional symmetry technique that is a composition tool in twentieth century music over the familiar structure of the primary tonal progression (II-V-I). The primary tonal progression is the center of most of the traditional jazz improvisation exercises. I redefined primary progressions on the basis of centricity in post-tonal music definition. We have the same center but the center is approached not in structural progression based on 4ths and 5ths as in II-V-I but in the inversional symmetry technique. Another tool is hexatonic combinatoriality that is one of the processes of 12 tone techniques in order to apply chromatic approaches in a vertical dimension. The last part of the book is an application of interval class relationship with mixture of chord tones and pentatonics to create longer melodic phrases .

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A systematic and logical approach to the art of composing in the jazz and classical idiom. Exploration of melodic, harmonic and rhythmic principles. By means of stating necessary and sufficient conditions of harmonic structures in this book you will start hearing any chord progression with mind rahter than hearing with just ear.

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