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Tolgahan Çoğulu participated to the P-ART DVD "Microtona" (2016) with his innovative microtonal guitar  (audio track #4: Gelin Savması by İlke Şen).  I admire his passion and microtonal dreams.



Tolgahan Çoğulu


"My life is all about microtonal guitar"

Click and listen to excerpts of my newest music on microtonal guitar


Please don't forget to return to this page: my contribution to the P-ART Web of Artists.


I designed the adjustable microtonal guitar  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. The new versions have been made by Briken Aliu since 2014.
Designing Adjustable Microtonal Guitar, I was inspired by René Lacote's and Walter Vogt's guitars. In the Adjustable Microtonal Guitar, all the frets on the fretboard are movable in the channels under each string. Besides, any number of frets can be inserted into or removed from the fretboard.

Between 2006 and today, many composers still delivered a composition for the Adjustable Microtonal Guitar
Philipp Gerschlauer – Ich Hab’s Mal Versucht      Christopher Charles – Barong Dances with Atlas      Robert Casteels - KHI    Baxton Alexander - Would it bore you to come with me... Johnny Reinhard - Knin Calimari   Tolga Zafer Özdemir - Hero and Leandros   Donald Bousted - Our Love is Strong and Strange   Onur Türkmen - Havuz    Tolga Yayalar - Lacrymae (after Dowland)   Mutlu Torun - Re Hüseyni    William Allaudin Mathieu - Lattice İşi    —Gabriel Malancioiu – Towards the Natural    Nicola Visalli – Tawus     David Matthews – Pavo Alchemistarum    Ozan Yarman – Impromptu Oyunhavası​    Uğraş Durmuş – At the Golden Horn No.6     —Mithatcan Öcal - Parachesis IV     Tolga Tüzün - and they fell…one by one​    Devon Tipp - Reasoning with Windmills        Navid Bargrizan - Se-Chahar-Gah (Trip-Four-Tych)

I like to make the adjustable microtonal guitar available for  everyone. I hate business but since 2009 I've been receiving mails with requests for building microtonal guitars: almost 300 guitarists have asked for one, but I haven't been able to sell a single one. Why? Because of the high price to construct the adjustable microtonal guitar. I need a team who masters the research and production, creates an economic model to sell in the guitar world. If you like my music and my videos, you can support me with the donation of one dollar or more per month."
Go to  Patreon: https://goo.gl/LKwcjS 
Your support is crucial to realize my big project goals:
1. Commissioning pieces from the greatest composers for microtonal guitar. With $3000  I can approach one composer.
2. To release a professional DVD: I am writing a all-in-one method "Introduction to microtonal  guitar".
3. To create a non-profit company and to decrease the cost of the Adjustable Microtonal guitar and make it available for everyone.
4. Automatic microtonal guitar system: frets moving automatically along the fretboard.
5. Foundation of a Microtonal Guitar Research Center: My ultimate dream is founding a research center at a University at the Masters or PhD level. It will have sub-divisions such as "Just Intonation Guitar Music", "Microtonal Folk Music of Turkey/India/Bali/Egypt/other countries", "Renaissance and Baroque Tunings" etc.


                                       Oud Frets in the 9th Century: https://www.youtube.com/watch?v=6-qoQ0Lqcx8                                                                        The Major 3rd Problem of all Guitars: https://www.youtube.com/watch?v=XT4oOYj4SwQ

All my videoclips about microtonal guitar and microtuning are collected  in my YOUTUBE page:    https://www.youtube.com/user/TolgahanCogulu

Click and visit my homepage:
https://www.microtonalguitar.org/                      My Facebook page: https://www.facebook.com/TolgahanCogulu

Comments by Tolgahan Çoğulu  2017

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