OSEP was officially incorporated on May 8, 1995 with the following purpose (Article II):
The purpose of the Oratorio Society is to provide an opportunity for area musicians to perform major works of choral and instrumental classical music for the cultural enrichment of the community.(Examples of such music include, but are not limited to, oratorios,masses, symphonies, concertos, overtures.) Participation is open to any singer or instrumentalist who wishes to perform and has acommitment to the necessary rehearsals.
OSEP is a non-profit 501 (c) 3 organization.