John St. Cyr
Bass
Performing with the Boulder Phil since 2025
John St. Cyr is a double bassist, freelance performer and educator. John is a member of the Boulder Philharmonic and Cheyenne Symphony Orchestra and has performed with other local ensembles including the Colorado Symphony, Colorado Springs Philharmonic, Fort Collins Symphony and Greeley Philharmonic. He
is also passionate about historically Informed music performance and performs on baroque double bass, violone and viola da gamba with the Baroque Chamber Orchestra of Colorado, Seicento Baroque, Parish House Baroque and Ensemble Gothic.
John is currently a doctoral candidate in Double Bass Performance at CU Boulder and holds dual Master’s degrees in Double Bass Performance and String Pedagogy from Louisiana State University and Illinois State University. When not performing, John enjoys film photography, vegan cooking, studying history, and going on hikes with his wife and Labrador Truffle.

