“Beati” (pronounced beɪ-a-ti, or bay-ah-tee) comes from the Latin “beatitas” or “beatitatis,”
meaing “happiness” or “blessedness.”
“Chorum” (pronounced kɔ-ruːm, or kor-oom) also comes from the Latin word meaning “chorus” or “multitude”
The complete name “Beati Chorum” stems from the phrase “beati quorum via,” from the Charles Villiers Stanford motet, which can be heard here:
