O magnum mysterium : a motet for six voices and/or instruments /
Clemens non Papa, Jacobus,approximately 1510-approximately 1555.
Gaskell, Ian.
Market Drayton : Cathy Gaskell,
c1997.
Motets.
Choruses, Sacred (Mixed voices, 6 parts), Unaccompanied.
Sextets (Unspecified instruments (6))
Christmas music.