Colleen Shaffer | freelance horn performer
Colleen performs as principal horn with the Longmont Symphony and plays with the Rocky Mountain Horn Ensemble. She is also an active substitute for The Denver Brass and a sub for the Fort Collins Symphony.
Kris Shaffer | music theorist, author, editor
Kris Shaffer, Ph.D. (Yale University, 2011), is Instructor of Music Theory at the University of Colorado–Boulder and Editor for Hybrid Pedagogy, Publishing Division. He is also the lead author of Open Music Theory.