Igor Stanislavovich Vorobyov (born 1965) — composer, musicologist, graduate of the Leningrad Choir College and the Leningrad Conservatoire, member of the Russia Composers’ Union, Doctor of Arts, assistant professor. Among his compositions there are the opera “Elizaveta Bam” after D. Harms, ballet “Don Juan”, “Assol”, Chamber symphony, Concerto for contrabass and orchestra, Concerto for piano and orchestra, Concertino for flute, three piano sonatas, cello and viola sonatas, string quartet, vocal cycles, Stabat Mater for soprano, mezzo-soprano, women’s choir, flute, percussion, harp, piano, organ and contrabass, cantata “Corner of the Earth”, Missa brevis, Magnificat, concertos and cycles for choir a cappella. Vorobyov’s compositions were on roll all over Russia, Estonia, Latvia, Sweden, Finland, Poland, Germany, Canada. South Karea. Igor Vorobyov is the author of monographs “Russian Avant-garde and Alexander Mosolov’s Creation of 1920–1930”, books of essays “Russian Avant-garde Composers”, album “Petersburg. Music. The 20th Century”, collection “Russian Avant-garde. Manifests, Declarations, Programme Articles”.Contents:1. Requiem 2. Dies irae 3. Tuba mirum 4. Rex tremendae 5. Recordare 6. Confutatis 7. Lacrimosa 8. Domine Jesu 9. Hostias 10. Sanctus 11. Benedictus 12. Agnus Dei