Handwritten annotations in the Glasgow copy of Choralis II

• Note missing: Sequence 3, verse 14, Altus, fol. bb4v, staff 1 note 1
• Numbers added to clarify values of notes in ligatures
• Introit 4, Bassus, fol. BB3v, staff 3, ligature: "2" next to last note
• Alleluia 15, Bassus, fol. II3v, staff 3, ligature before final long: "4" under last note
• Flats added for clarification
• Tract 4, verse 4, Bassus, fol. CC2v, staff 5, beginning: signature flat added in upper octave
• Introit 15, verse, Bassus, fol. II2v, staff 2, note 3: flat before e
• Tenor, binding: additional music, "Grates nunc omnes"