The All-Night Vigil is an a cappella choral composition by Sergei Rachmaninoff, his Op. 37, premiered on 10/23 March 1915 in Moscow.
The piece consists of settings of texts taken from the Russian Orthodox All-night vigil ceremony. Wikipedia
Composer: Sergei Rachmaninoff
Language: Church Slavonic
Movements: 15
Opus: 37
Performed: 23 March 1915: Moscow
Text: All-night vigil