The classic chant is Dies Irae
(Trans. "Day of Wrath"
). It was hip for Romantic composers to insert this into their "darker" pieces.
Day of wrath, day that
will dissolve the world into burning coals,
as David bore witness with the Sibyl.
How great a tremor is to be,
when the judge is to come
briskly shattering every (grave).
A trumpet sounding an astonishing sound
through the tombs of the region
drives all (men) before the throne.
Death will be stunned and (so) will Nature,
when arises (man) the creature
responding to the One judging. [...]