O my Jesus, forgive us our sins, help save us through the fires of hell, and lead all souls to heaven, Particularly those most wanting Thy mercy. This arrangement provides a bridge that intersperses lines from A further Marian hymn, O sanctissima, together with the 1st lines in the Sanctus https://vita-pro-nobis43097.bloggactivo.com/30538695/about-vita-pro-nobis