Tolgahan Çoğulu, born in 1978 in Ankara, Turkey, is a Turkish classical
guitarist and designer of the adjustable microtonal guitar. He began playing the
guitar at age twelve and studied with notable instructors including Ayhan Akkaya
and Ricardo Moyano between 1997 and 2004. Çoğulu graduated from Boğaziçi
University's Business Administration Department in 2001 and earned both Master
of Music and PhD degrees on classical guitar from Istanbul Technical
University’s Center for Advanced Studies in Music. Çoğulu founded the classical
guitar duo Duoist with Erhan Birol in 2007. He won ...