Liturgy of St John Chrysostom
From Wikipedia, the free encyclopedia
Liturgy of St John Chrysostom (Russian: Литургия Иоанна Златоуста), Op.31, by Sergei Rachmaninoff is one of his two major unaccompanied choral works, and was composed in 1910.
Tchaikovsky also composed a Liturgy of St John Chrysostom, Op.41.