High Quality Content by WIKIPEDIA articles! The Yale Russian Chorus is a tenor-bass choral ensemble at Yale University, established in 1953 by Denis Mickiewicz, a student at the Yale Music School, and George Litton, president of the Yale Russian Club. The group sings a variety of secular and sacred Slavic choral pieces, from the 12th century onward, including folk songs of Russia and Eastern Europe. The current musical director is Mark Bailey.