Güç Başar Gülle’s Jazz Harmony Book in English is on Amazon
Jazz Harmony (Necessary & Sufficient Conditions For Functional and Non-Functional Harmonies)
https://www.amazon.com/dp/B07PJTSFQ9
Composer, guitarist and theoretician Güç Başar Gülle finished Berklee School of Music in two years and went on to give classes at Berklee, Valencia and Toronto Universities. The musician, whose students studied in prestigious schools abroad, describes his Jazz Harmony book available on Amazon as:
“This book was written with an aim to explain harmonic structures in a consistent way, to shape music production and education fields instead of looking at musical expression through speculative limitations. Even though the nomenclature used is compatible with the Berklee School of Music’s curriculum, the conceptual and contextual contents are entirely different. Because the conceptual and contextual discrepancies I have experienced firsthand as well gave birth to questions on the distinction between the main and side elements in the world of harmony. This book aims to shed light to these questions with an alternative approach.”