Glagolitic Mass
The Glagolitic Mass (Czech: Glagolská mše, Church Slavonic: Mša glagolskaja; also called Missa Glagolitica or Slavonic Mass) is a composition for soloists (soprano, contralto, tenor, bass), double chorus, organ and orchestra by Leoš Janáček. Janáček completed the work in 1926.