Within the 20th Anniversary Events of ITU MIAM, the first microtonal guitar festival of the world is going to take place on December 13th, 2019. The “Adjustable Microtonal Guitar” was designed as a doctoral project at MIAM by Prof. Dr. Tolgahan Çoğulu under the supervision of Prof. Şehvar Beşiroğlu in 2008 and supported as an ITU BAP project. The festival will host prominent microtonal guitarists in the world. The American guitarist with a Grammy award John Schneider, Würzburg Music University guitar lecturer Prof. Jürgen Ruck, Spanish guitarist Fernando Perez and Tolgahan Çoğulu & Sinan Ayyıldız Duo will be the guests of the festival this year. The festival will begin on December 13th, Friday at 13:30 with the opening speech of John Schneider. The panel with the title “Microtonality as the Future of the Music” will start at 15:00. The concert of Fernando Perez and Tolgahan Çoğulu & Sinan Ayyıldız Duo will take place in Usmanbaş Hall at 17:00. The ending concert at the festival, the concert of Jürgen Ruck and John Schneider will take place at 20:00.