Grigory Lvovsky (1830-1894) was a prominent choral conductor in two of St. Petersburg's largest cathedrals. He was a student of Western Renaissance polyphony and a pioneer in the area of harmonizing traditional church chants for choir. His best-known work, "Ghospodi, pomiluy" (made popular by such groups as the Don Cossack Choir) is uncharacteristic in that it makes no use of any chant melodies; the manifold repetition of the words "Lord, have mercy" musically illustrates and mirrors the raising up and bowing down of an Orthodox bishop, as he performs the ritual of the Elevation of the Holy Cross. (Also available in an arrangements for TTBB and SAB choir.)
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