Before revision: It was used as a name for the Vespers in the Office of the Dead, taken from its incipit, a quote from the Vulgate's Psalm 116:9, placēbō Dominō in regiōne vīvōrum, "[I] shall please the Lord in the land of the living .
After revision: It was used as a name for the Vespers in the Office of the Dead, taken from its incipit, a quote from the Vulgate's Psalm 116:9, placēbō Dominō in regiōne vīvōrum, "[I] shall please the Lord in the land of the living