Polychoral compositions

The Liber responsorialis, showing on the right-hand page the antiphons for the first Matins|night office of Christmas. The associated [[psalm tones are indicated by number and ending pitch, and the pitches for the ending of the doxology are indicated by the mnemonic Euouae.|thumb]]

Setting of Psalm 51 by Gregorio Allegri

musical composition by Thomas Tallis

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