Suzanne Toolan wrote this one for Lent and Holy Week based on a traditional prayer for the Stations of the Cross.
It is an ostinato refrain over which the cantor sings the verses.
The text of the refrain is at spiritandsong and the verses are in the sample at OCP. You can also purchase the sheet music there.
My backing has the two melody lines at the opposite ends of the stereo spectrum to help practice the piece.
Same refrain I think, but different verses: