Previous Festival Artists



Bulgarian violist Koko Dyulgerski is currently based in Denver, where he performs with Opera Colorado, the Colorado Symphony, and was recently appointed Principal Viola of the Central City Opera Orchestra. Koko received his Master of Music degree from Rice University in Houston as a student of Ivo-Jan Van der Werff, and previously studied under Kevork Mardirossian. During his time in Houston, Koko played regularly with the Mercury Baroque, Houston Grand Opera, and Houston Symphony Orchestras.Also an avid chamber musician, Koko is co-founder and co-artistic director of the Torrey Chamber Music Festival and Violamore Duo and with his wife, Leah Kovach. As a mentor, Koko loves teaching young violinists and violists and inspiring them to reach their full potential.


Leah Kovach


Violist Leah Kovach grew up in Salt Lake City and is co-Artistic Director of the Torrey Chamber Music Festival. Leah is a member of the Colorado Symphony and was recently appointed to the Central City Opera Orchestra. She holds degrees from Indiana University and Rice University, where her primary teachers were Atar Arad and James Dunham. Leah has performed around the world in prestigious ensembles including the Philadelphia Orchestra, the Houston Symphony and the Schleswig-Holstein Festival Orchestra (Germany/International).



​​Delcho Tenev began his music education in the “Dobrin Petkov” school under Prof. Darina Dankova in his hometown of Plovdiv, Bulgaria. At age 14 he moved to the U.S. and attended high school at the Idyllwild Arts Academy in California, studying with Prof. Todor Pelev. He received a Bachelor’s degree from Indiana University Jacobs School of Music, and then earned a Master’s degree and Professional Performance Certificate from Lynn University. He has performed in international festivals, including Lorin Maazel's Castleton Music Festival. Delcho joined the violin section of the Colorado ​Symphony in September of 2015 and is happy to be playing great music with such a wonderful orchestra, as well as exploring the beautiful city of Denver.