
Quenton Blache is a cellist and composer based in Los Angeles. He has performed nationally and internationally as a soloist and chamber musician, and is a current member of the Sphinx Virtuosi. Quenton has won several competitions, including the University of Southern California (USC) Bach Competition (2021) and Strings Concerto Competition (2023). As a session musician, he has recorded on soundtracks for major films such as Moana 2 (2024) and Sinners (2025), and in January 2025, performed at the Grammy Awards with Best New Artist nominee Teddy Swims.
As a composer, Quenton has written for organizations such as the Little Orchestra Society, North Carolina Chamber Music Institute, MYCO Youth Chamber Orchestra, and the Sphinx Organization. His string orchestra work Habari Gani (2023), premiered by the Sphinx Virtuosi, has been performed internationally. He has also scored films including Shape of Money (2024) and the documentary The Gospel According to Bill Pannell (2024).
Quenton holds bachelor’s degrees from USC in cello performance and composition, a minor in Chinese, and a master’s in screen scoring. In his spare time, he enjoys playing chess and aspires to become an International Master (IM).

The San Gabriel Valley Symphony, a program of Arts Bridging The Gap, exists to educate and inspire new audiences through the performing arts. Through world-class performances, collaboration with community stakeholders, and authentic storytelling, we connect audiences to live performance as a pillar of community celebration rooted in the San Gabriel Valley and beyond.