The following email was sent by my good friend Father Christopher Zugger, a Byzantine Catholic priest and historian from Albuquerque, New Mexico:

Titled Passion Week, this oratorio in Slavonic was composed in secret by Maximilian Steinberg, son-in-law of the composer N. Rimsky-Korsakov, in the 1920s. The Soviets banned the composition and performance of all sacred music outside of churches, and no new compositions could be sung in church. This was the most intense period of imposing atheism and destroying churches, shrines, and sacred objects, 1920-1940.

 

This contains all the main chants of the Byzantine Holy Week, from Alleluia and Behold the Bridegroom of Holy Monday to the solemn burial of the Lord on Good Friday night. one hour long.
This performance was sung in a Latin rite church in Russia, perhaps the cathedral in Moscow but not positive.