“Composing Microtones and Silence”, Lecture and performance on “Kar”, Tenso: The European Network for Professional Chamber Choirs, Re: Connect Conference, The Presidential Symphony Orchestra Historical Hall, Ankara, 2025
Interactive Talk Series on Music History: “İzlerin Sesleri”, Mod Art Collective, Ankara, 2025
Pre-Concert Talk: “Gılgamış Parlando Opera“, 38th Ankara International Music Festival, Bilkent Concert Hall, Ankara, 2024
“New Music Today”, Panel Discussion with Magnus Lindberg, Zosha Di Castri, Kamran İnce, Mahir Cetiz, Bilkent University Faculty of Music and Performing Arts, Ankara, 2024
Pre-Concert Talk: “Sailing to Byzantium, a Ritualistic Drama on the Moon, Swans and Soul“, Arter New and Newest Music Festival, Arter, Istanbul, 2024
Online interview on music composition and creative process, Near East University, Atatürk Faculty of Education, Music Education Department, Nicosia, 2023
Music and Fine Arts University, Composition Seminar: “Lines and Dreams”, Ankara, 2022
Leading Voices, European Days for Vocal and Choral Leaders, workshop “experiencing makam microtones” and lecture “makam 2.0“, Utrecht, NL, 2022
Music and Fine Arts University, Composition Seminar, Ankara, 2022
University of Bristol, Department of Music, Composition Seminar: “Lines and Dreams”, Bristol, 2021
University of Bristol, TTI Conference 2021: Transformations of Musical Creativity in the 21st Century, Chair for Session 1A: Cartographies of Sound, 2021
Arter New and Newest Music Festival Panel:”Across and Beyond Genres: A Conversation on the Theory of New Music”, Alper Maral, Onur Türkmen, Tolga Yayalar, Moderator: Michael Ellison, Istanbul, 2021
Şirince Music Academy Arche Project Lectures, “The Effects of Ancient Greek Music in European Music History: “Birth of Tragedy and Classicism”, Şirince, 2020
The University of Memphis Rudi E. Scheidt School of Music, composition masterclass, Memphis, 2020
ITÜ MIAM, guest composer, Türkmen’s music studied at Jane Harrison’s “Topics in 20th Century Analysis Course“, Istanbul, 2019
Composer’s Cauldron at Klasik Keyifler 8th International Festival, “Modal Designs in Just Intonation”, joint lecture with Mahir Cetiz’s “Pitch Hierarchy in Makam Structures and Microtonal Pitch-Space”, Ürgüp, 2018
Klasik Keyifler, Chamber Music Association and Festival, masterclass with composers and a seminar: “Makams in New Music”, Ankara, 2018
BESOM, Association of Composers, Conductors and Musicologists, Composition Seminar (in Turkish): “The Relation Between Time and Context in Music Composition”, Sevda Cenap And Foundation, And Sanat, Ankara, 2018
Würzburg Hochschule für Musik, Guitar Plus Festival, Round Table Discussion: “Transcultural Practice in Music”, Amanda Bayley, Kirsi Tilk, Michael Ellison, Ulrich Mertin, Tolgahan Çoğulu, Onur Türkmen, Juergen Ruck, Moderation: Hansjörg Ewert
Würzburg Hochschule für Musik, Guitar Plus Festival, Lecture: “Compositional Approach to the Usage of Makams”, Würzburg, 2017
Istanbul Technical University, European Research Council Beyond East and West Project Conference, Creating Cultures Across Cultures in the 21st Century, Panel: “Cross-disciplinary currents” (with Michael Ellison, Andile Khumalo, Matthias Mainz, Jeremy Woodruff), Istanbul, 2017
Composition Seminar and Masterclass with graduate/undergraduate composition students @ Yaşar University Faculty of Art and Design, Music Department, Izmir, 2017
Colloquium Lecture: “The Notion of Relativity and Interspace in Composition” and masterclass with graduate/undergraduate @ University of California Davis Music Department, Davis California, 2016
European Research Council Beyond East and West Symposium I: Turkish Instruments and Voices in Contemporary Music, Intercultural Elements in Sailing to Byzantium, ITU MIAM, Istanbul, 2016
European Research Council Beyond East and West Workshops, Considerations on Usages of Turkish Music Instruments in New Music Seminar, ITU MIAM, Istanbul, 2016
Orient Institute Istanbul and the German Historical Institute in Rome, Integrative Approaches to Contemporary Cross-Cultural Music Making: Turkey, Italy, Germany, International Musicological Congress with Concerts, Performing Tradition and Avant-Garde in Turkey, Rome, 2016
II. International Kanun Festival and Symposium, Considerations on the Usage of Kanun in Contemporary Music, Ankara, 2015
Klasik Keyifler International Festival, Composers Cauldron, Makam Seminars, Ürgüp, 2015
British Council / Bilkent New Music Days, “Word and Sound” Panel, Ankara, 2015
Afyon Kocatepe University, Congress for İbrahim Alimoğlu Instrument Museum, Afyon, 2015
Başkent University State Conservatory, Composition Seminar, Ankara, 2014
İTÜ MIAM Contemporary Polish Music Panel in Soundscapes from Poland Events, “New Trends in Contemporary Turkish Music”, Istanbul, 2014
ARTER/ Bahane, The Poetics of “Hat” in Music, Istanbul, 2013
ITU International Music and Theory Symposium, Deductive and Inductive Approaches to Microtonality, Istanbul, 2013
I. International Kanun Symposium and Festival, Contemporary Techniques Applied to Kanun, Istanbul, 2012
Klasik Keyifler Composers Cauldron, An Introduction to Makam Theory and Practice, Contemporary Instrumental Techniques Applied to Turkish Music Instruments, Hat as a Compositional Process, Ürgüp, 2012
MusMA Atelier in Ljubjana Festival, Hat as a Compositional Process, Ljubjana, 2012
ITU Turkish Music Congress, Considerations in the Context of Turkish Music Instruments Usages’ in New Music, Istanbul, 2011
ITU Cüneyd Orhon International Kemençe Symposium, Contemporary Instrumental Techniques Applied to Kemence, Istanbul, 2010
Miam Presents 2010, Evolution of Polyphonic Texture and its Absence in Turkish Music, Istanbul, 2010
Yasar Üniversitesi National Music Symposium, Modal Designs for Guitar in Just Intonation (with Ozan Baysal), Izmir, 2009
Boğaziçi University Guitar Days: Model Designs for Guitar in Just Intonation (with Ozan Baysal), Istanbul, 2007
MIAM Presents: Model Designs for Guitar in Just Intonation, (with Ozan Baysal), Istanbul, 2007
Yapi Kredi Arts, Culture and Publishing Department: Model Designs for Guitar in Just Intonation, (with Ozan Baysal), Istanbul, 2007
Garanti Gallery Soundscape Workshop (Spatial works in Contemporary Music) by Aykut Köksal (curator), Istanbul, 2005
Istanbul French Cultural Center New Music Concert Series: Risk; The other avant-garde: John Cage, Giacinto Scelsi (with Robert Reigle and Zeynep Bulut), 2005
MIAM Presents: Risk; The other avant-garde: John Cage, Giacinto Scelsi (with Robert Reigle and Zeynep Bulut), Istanbul, 2004
Yap Kredi Arts, Culture and Publishing Department: An Introduction to New Music
(with Eray Altnbüken and Tolga Yayalar), Istanbul, 2003
Bilkent Composition Seminars
“Choral Works“, 2025
“Kaija Saariaho’s L’Amour de Loin, Storm Scene, Act IV”, 2024
“Cause, Reason, Improvisation, Organization, The Role of the Subconscious in the Compositional Process, and Why The New Music is Old “, 2024
“Onur Türkmen’s recent works”, 2024
“Composing Song Cycles and Parlando Opera”, 2022
“Side Projects and New Concepts through the Covid Period”, 2022
“Alternative Approaches to the Theory of Makam” with Mahir Cetiz and Ozan Baysal, 2022
“The Concepts of Pitch Space”, 2021
Bilkent University, Bilkent Composition Academy Seminar (Mark Andre as the composer in residence), “Fundamentals of Microtonality”, Ankara, 2017
The Fundamentals of Microtonality, 2016
John Cage Memorial Lecture Concert, Bilkent Composition Department Event, 2012
Bilkent University Lunchtime Lectures,
The Evolution of Polyphonic Texture and Its Absence in Turkish Music, Ankara, 2009
Bilkent University Music and Performing Arts Department, Stravinsky and Renaissance Music, Ankara, 2007
Onur Türkmen 