This single parchment folio contains chants for Christmas and Epiphany. Written in two columns with rubricated headings, it features red-and-blue penwork initials for textual divisions and smaller black-and-red initials for musical underlay. Notation is in black square notes on red four-line staves. The recto preserves an Alleluia for Christmas, mixing and alternating Latin and Greek phrases, alongside a variant of Dies sanctificatus. The verso contains Christmastide chants, including the Offertory Tui sunt caeli, the Communion Viderunt omnes, and the Introit Stephen Etenim sederunt. The surface of the verso is rubbed and faded. A later French hand labeled the piece “XIII siecle.”

• Paul Feller-Simmons, DACT, 2025
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