Sonja K. Millichamp earned her Bachelor’s degree in horn performance from the Cleveland Institute of Music and her Master’s degree from the University of Illinois at Urbana-Champaign. During the summers she studied at the National Orchestral Institute in College Park, Maryland, and at the Pacific Music Festival in Sapporo, Japan. Prior to moving to West Texas, Sonja spent six years as the horn professor at Millikin University in Decatur, Illinois, where she also performed with the faculty woodwind quintet and served as Principal Horn of the Millikin-Decatur Symphony Orchestra. She was also Third Horn of the Champaign-Urbana Symphony and a member of the Prairie Ensemble, and spent several summers playing principal horn for Opera in the Ozarks. She has performed with the Illinois, Peoria, and Danville Symphonies, among others, and continues to sub regularly with the Arkansas, Big Spring, and Southwest Symphonies.

Sonja is currently Co-Principal Horn of the Midland-Odessa Symphony & Chorale as well as Second Horn of the Missouri Symphony during its summer season. She is also Co-Director of Music at the Unitarian-Universalist Church of Midland, where she often gets to perform as a vocalist, and she maintains a private studio of horn and trumpet students. Sonja is married to Co-Principal Hornist Scott Millichamp; together they enjoy taking care of their xeriscape garden and their two cats.