On Wikipedia https://en.wikipedia.org/wiki/Choral_Arts_Society_of_Washington
Creation 1965
City Washington, DC, USA
Country United States of America

The Choral Arts Society of Washington is a major choral organization based in Washington, D.C. Founded in 1965 by Norman Scribner, it is regarded as one of the premier symphonic choruses in the United States. The Choral Arts Society of Washington consists of three vocal ensembles; the Choral Arts Chorus, the Choral Arts Chamber Singers, and the Choral Arts Youth Choir. wikipedia