Listen to Concerto "O Theotokos, Ever-Vigilant in Prayer": II. Since You Gave Life… (Live) online. Concerto "O Theotokos, Ever-Vigilant in Prayer": II. Since You Gave Life… (Live) is an English language song and is sung by Moscow Youth and Student Choir and Boris Tevlin. Concerto "O Theotokos, Ever-Vigilant in Prayer": II. Since You Gave Life… (Live), from the album Anthology of Russian Sacred Music, was released in the year 2009. The duration of the song is 1:14. Download English songs online from JioSaavn.