Chesnokov

Saint Ephraim Male Choir

The Svetoslav Obretenov Bulgarian Choir, Georgi Robev, Christo Kamenov (leadvocalist), Ivan Petrov (leadvocalist), S. Marcheva (leadvocalist), N. Peneva (leadvocalist), B. Spassov (leadvocalist)

The Russian Orthodox Cathedral Choir of Paris, Piotr V. Spassky, Veronica Mikheeff (soprano), Galina Grigorieff (soprano), Vladimir Slastcheff (baritone), Reverend Archdeacon Mikhail Storogenko (bass-baritone)

Great Voices of Bulgaria Women's Choir, Sofia Mixed Choir, Sofia Men's Choir, Zdravko Mihaylov