O magnum misterium : SATB /
Byrd, William,1539 or 1540-1623.
Skinner, David.
Oxford : Oxford University Press,
c2000.
Includes keyboard reduction for rehearsal only.
Words, Matins respond, Christmas Day.
Christmas music.
Motets.
Choruses, Sacred (Mixed voices, 5 parts), Unaccompanied.