O magnum mysterium (Lauridsen)

O magnum mysterium
Motet by Morten Lauridsen
Morten Lauridsen in 2012
OccasionChristmas
TextO magnum mysterium
LanguageLatin
Composed1994 (1994)
DedicationLos Angeles Master Chorale
Performed18 December 1994 (1994-12-18): Los Angeles
Published1995 (1995)
ScoringSATB div.

O magnum mysterium (O great mystery) is a motet for choir a cappella by Morten Lauridsen. He set the text of "O magnum mysterium", a Gregorian chant for Christmas, in 1994. The composition, performed and recorded often, made Lauridsen famous. It was described as expressive ethereal sounds in imperturbable calmness.