ADJUSTABLE MICROTONAL
GUITAR
Tolgahan Çoğulu
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Send an email to info@microtonalguitar.org to order microtonal fretboards and necks.
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VIDEOS
Are all guitars out of tune?
Join the experiment! Which tuning sounds better?
Celil Refik Kaya's Kürdilihicazkar Saz Semai composed for Tolgahan Çoğulu
ADJUSTABLE MICROTONAL GUITAR
Adjustable Microtonal Guitar was designed by Tolgahan Çoğulu in 2008. It was accepted and funded as a scientific research project at Istanbul Technical University Dr. Erol Uçer Center for Advanced Studies in Music under the supervision of Prof. Şehvar Beşiroğlu. The first prototype was made by Ekrem Özkarpat.
In designing Adjustable Microtonal Guitar, Tolgahan Çoğulu was inspired by René Lacote's and Walter Vogt's guitars. On the Adjustable Microtonal Guitar's fretboard, all the frets are movable in the channels under each string. Besides, any number of frets can be inserted into or removed from the fretboard.
Microtonal Guitars Music Technologies Corporation was founded in 2021 by Dr. Tolgahan Çoğulu and Süleyman Hakan Görener. They are building adjustable fretboards and necks for classical, acoustic, electric and bass guitars. You can also buy adjustable classical, acoustic, bass, electric microtonal guitars starting from early 2023.
TOLGAHAN ÇOĞULU
The first prize winner at the 2014 Margaret Guthman Musical Instrument Competition, Tolgahan Çoğulu, designed his "Adjustable Microtonal Guitar" in 2008.
His first CD with microtonal guitar, Atlas, was published by Kalan Music in 2012. His microtonal guitar has taken him to many festivals and universities in 34 countries. Tolgahan is building a repertoire for microtonal guitar with more than 40 composers involved at this point.
In 2013, he became an Associate Professor in Guitar at Istanbul Technical University’s Turkish Music State Conservatory, where he had founded the classical guitar department in 2010 and the world’s first microtonal guitar department in 2014. His second CD ‘Microtonal Guitar Duo’ has been published by Kalan Music in June 2015. His recording of William Allaudin Mathieu’s three-movement ‘Lattice-İşi’ in just intonation was published in the US by Cold Mountain Music in 2016.
He completed a research project entitled ‘Historical Tunings on the Microtonal Guitar’ at the University of Bristol in 2016 for 12 months. Between 2015-2017 he collaborated with the University of Music Würzburg for the project ‘Creating and Presenting a Repertoire for the Microtonal Guitar’ supported by DAAD in which 12 composers wrote pieces for microtonal guitar and ensemble.
He has been organising the world's first Microtonal Guitar Competition since 2016. His book ‘Microtonal Guitar’ was published in 2018 by Mojo Roots Music, co-authored by Fernando Perez. His latest album ‘Microtonal’ was published in 2018 by Ahenk Music. Currently, he is teaching at Istanbul Technical University Turkish Music State Conservatory and Centre for Advanced Studies in Music.
CONTACT
Email: microtonalguitarist@gmail.com
Please send an email to microtonalguitarist@gmail.com for classical, acoustic, electric and bass adjustable microtonal guitars.