Sung by the St. Ann Choir at St. Thomas Aquinas church at the noon Mass today:
Palestrina, Super flumina Babylonis
Anon. 14c. Italian, Ave verum corpus
Orlando di Lasso, Miserere mei
You can read the complete texts of the these motets at the St. Ann Choir website. Click on the sidebar link there for Motet Texts and Translations.