Blessed art Thou O Lord-Blagosloven Yesi Gospodi (Blessed Art Thou O Lord) is a work by Sergei Rachmaninoff for Unaccompanied SATB Choir. From the 'All-Night Vigil ' this is the Vocal Score featuring a pronunciation guide and an explanation of the transliteration and translation. The lyrics are in the original and a phonetic transliteration.