Lord Jesus Christ, Son of God, have mercy on us sinners.
Sung by nuns from St. Elizabeth Monastery, Belorussia "Lord,Jesus Christ, Son of God, have Mercy On Us, Sinners!"- Иисycoва молитва-Поют сёстры монастыря Св. Елизаветы. Белорусия - Also known as the prayer of the heart, it is one of my daily devitions for 30 years.