Microtonal Guitar (Adjustable) - Tolgahan Çoğulu - Part 1 - Makam Music - YouTube
Microtonal Guitar for standard guitar with added frets Vol.I by Fernando Perez & Tolgahan Çogulu (ebook/PDF & audios) - Fernando Perez World Music for Guitar
I Made A X-FRET Guitar And It's Very Microtonal - YouTube
Microtonal Guitars on X: "Since 2008, our adjustable microtonal guitar has been to 36 countries in various tunings without any problems. #microtonalguitar #adjustablemicrotonalguitar #mikrotonalgitar #microtonalmusic https://t.co/0ywS6Lyv4U" / X
Tolgahan Çoğulu and his Adjustable Microtonal Guitar.... | Music, Guitar, Instruments
Father and Son Build Incredible Microtonal Guitar With Moveable Frets Using LEGO and 3D Printed Pieces