The Billings Symphony Orchestra & Chorale (BSO&C) is the largest professional orchestra in Montana. Established in 1951, the BSO&C strives to enrich lives through music. Consisting of over 135 musicians, the BSO&C serves a regional population of 400,000 people located throughout South Central and Eastern Montana, and Northeastern Wyoming by introducing music to children, youth, adults and seniors through Explore Music! the BSO&C’s community engagement program. The 2018-2019 season is proudly sponsored by the Oakland Companies.