Brussels, Belgium, Bibliothèque Royal Albert 1er/Koninklijke Bibliotheek Albert I, MS IV.922, All folios
Physical description
Material: parchment
Number of leaves: iii + 145 + iii
Format: upright
Page dimensions: 480 x 345
Quire structure: Text version
Other devices: 1. Tabs pasted onto outer margin at beginning of masses, only two extant (ff. 84, 104).
2. Modern Arabic foliation in pencil in upper right corner, includes the front and rear flyleaves: 1-151.
Page details (zoom):
Preparation and Copying
All foliosPreparation
Disposition of Voice Parts Key
Signe de renvoi
| Pricking |
often,
Prickings in upper and lower margins for vertical bounding lines. Prickings in the outer margin for the maximum of ten staves. |
| Ruled grid |
normally,
single line to left and right, text sometimes on single or double line, added where required. |
| Ruling pattern |
fairly regular
basically on a 10-stave grid, with staves unruled as required by the music. |
| Staves omitted from grid | often |
| Incomplete staves |
occasionally,
9v, 46r, 47v, 51v, 61v, 62r, 76v, 90v, 104v, 112v, 113v, 120v |
| Medium and colour of grid | Frequency | Folios | Note |
|---|---|---|---|
| lead point | often | ||
| light brown ink | occasionally | ||
| Colour of staves | Frequency | Folios | Note |
| black | normally | ||
| brown | sometimes | ||
| Ruling medium | Frequency | Folios | Note |
| single rastrum | always | ||
| Indentation for initials | Frequency | Folios | Note |
| triple | occasionally | 28v, 42v, 67v, 83v, 85v, 103v, 117v, 121v, 123v | mainly at the beginning of Masses |
| double | sometimes | At the beginning of movements in the two top voices. | |
| single | normally | For lower voices and generally for subsections. | |
| Extra space between voice parts | Frequency | Folios | Note |
| empty ruled staves on grid | sometimes | ||
| staves not ruled on grid | often | ||
| Space provided for separate text | Frequency | Folios | Note |
| no separate text | never | ||
| Adhoc adaptation | Frequency | Folios | Note |
| notation and staves extended into margin | occasionally | ||
| partial additional staves | occasionally | 52v, 61v, 62r, 76v, 90v, 104v, 112v, 121v | |
| made for complete additional staves | rarely | 41r |
Copying of text and music
| Language(s) | Flemish, French, Latin |
|---|---|
| Higlighting | none |
| Order of Copying |
music first
always |
| Presence/absence of text | Voice part | Frequency | Folios | Note |
|---|---|---|---|---|
| fully texted with one text | all voice parts | normally | ||
| fully texted with two or more texts | tenor | rarely | 94r |
Music
| Colour(s) of notation | black |
| Type(s) of notation | void mensural |
| Type of notation note | rhomboid shaped notation |
| Monophonic notation |
present
3v, 133v-148r, chant intonations |
| Level of calligraphy | high |
| Non verbal performance instructions | Folios | Note |
|---|---|---|
| signes-de-renvoi | Diamond-shaped, made of four small diamond shapes (ff. 6v, 7r, 138v, 139r), a trio of balls with a descending loop (ff. 16v, 17r, 86v, 87r, 90v, 93r, 97v, 98r, 117v, 118r), a cross with four dots around its centre (ff. 25v, 26r, 75v, 76r, 80v, 81r, 94v, 105r-106r, 112v, 113r, 114v, 115r, 143v, 144r), a trio of diamond shapes with a descending loop (ff. 95r, 101v, 102r), in red ink. |
Text 1
| Types of script | display script |
| Types of script size position | for voice-names and instructions |
| Level of calligraphy | high |
| Colour(s) of text | black red |
Text 2
| Types of script | cursive (bastarda) |
| Level of calligraphy | high |
| Colour(s) of text | black red |
| Multiple texts | yes |
| Text repetitions | few |
| Abbreviations | few |
| Non underlaid vocal text | none |
| Liminary text | composers' names and/or titles (ff. 12v-13r, 28v, 42v, 67v, 83v, 104r, 117v, 121v, 123v, 133v-134r tacet inscriptions (ff. 24r, 38v, 82v, 96v, 97r, 98v, 129r, 138r, 142v, 143r) |
Decoration
| Level of Decoration | very high |
| Decoration miniature frequency | Folios | Size position | Description | Discrepancies | ||
|---|---|---|---|---|---|---|
| rarely | 13r | One miniature, two staves high, at the beginning of the contratenor of the first Mass. | Heraldic arms and two banderoles displaying the mottos 'In melius singula' and 'Pompeius Occo Natione Frisius' | |||
| Decoration border frequency | Border type | Folios | Size | Position | Description | Discrepancies |
| never | None | None | ||||
| Decoration initial type | Frequency | Folios | Initial type(s) | Size position | Description | Discrepancies |
| penned initials | occasionally | 28v-29r, 42v-43r, 67v-68r, 83v-84r, 103v-104r, 133v-134r | calligraphic with grotesque heads | beginning of Masses | calligraphic initials decorated with grotesque heads, highlighted with soft washes | |
| initials planned | never | |||||
| painted initials | rarely | 12v-13r | One historiated initial, three staves high (first stave omitted), at the beginning of the discantus of the first Mass (f. 12v). Two acanthus initials, two staves high, at the beginning of the lower voice-parts of the first Mass (ff. 12v-13r) | Initial including a monstrance with host on altar, flanked by candles, and two angels in foreground. | ||
| painted initials | rarely | 42v | beginning of the third Mass (f. 42v) | initial in candelabrae style, three staves high | ||
| penned initials | rarely | 117v, 123v | calligraphic | beginning of the discantus of the first Kyrie and the following Missa Paschale (ff. 117v, 123v) | Calligraphic initials in red ink | |
| penned initials | normally | beginning of major text divisions | calligraphic initials with white borders | |||
| penned initials | normally | beginning of the voice-parts | calligraphic initials in black ink | |||
| Other decoration frequency | Folios | Other decoration type(s) | Size position | Description | Discrepancies | |
| never | ||||||