De Lassus composed this magnificent 10-part (SATTB.STTTB) setting of Aurora lucis rutilat as part of his duties at the Munich court, he was evidently pleased with it because he made it the basis for one of his settings of the Magnificat. Enjoy :-).
Ambrosian Hymn for 10 voices to sing for Low Sunday (Dominica in albis, or St. Thomas Sunday) until Ascension.
Video & Description Source: Lassus | Aurora lucis rutilat [á 10; The Choir of Trinity College, Cambridge] – YouTube. Published on Mar 30, 2016 by Andrea Scalia [Renaissance Music Project]