Russian orthodox angelic song

<p id="eow-description">THE ICON: http://img1.liveinternet.ru/images/at...
Ivan Nikolaevich Kramskoi Ива́н Никола́евич Крамско́й
is the artist Some say that EL GRECO painted it
Russian chant the name of this piece is "Sviatïy Bozhe" (Holy God) by Georgy Sviridov and was performed by the Credo Chamber Choir of Kiev. Whilst it was originally released as a part of "Georgy Sviridov: Hymns and Prayers", it can also be found on the more easily attainable compilation "Sacred Treasures V: From a Russian Cathedral".</p>