Isaac: Misse, Venice, Italy, 1506, , All

Physical description

Material: paper

Number of leaves: 58f. (D 18f, T 10f, A 16f, B 14f)

Format: oblong

Page dimensions: 169 x 242

Quire structure: Text version

Index / Table of Contents: None.

Non-musical texts: None.

Other devices: No foliation or page numbering.

Page details (zoom):

All

Indentation for initials	Frequency	Folios	Note
single	often		Staves never indented, always printed on top of the initials.
double	sometimes	D 1v, 3v, 5r, 8r, 9r, 10v, 11r, 11v, 13r, 14r, 15r, 16r; T 1v, 3r, 3v, 4r, 5r, 5v, 6r, 6v, 7v, 8r, 8v, 9r; A 1v, 2v, 3v, 4r, 4v, 5r, 5v, 8r, 12v, 13v, 14v; B 3r, 4r, 4v, 5r, 5v, 6r, 6v, 7r, 8r, 9r, 11r, 11v, 13r	The bigger woodcut initials require double indents when inserted to the middle staves. Staves never indented, always printed on top of the initials.
Space provided for separate text	Frequency	Folios	Note
no separate text	always

Language(s)	Latin
Order of Copying	movable type, double impression always, Petrucci was using four sets of staves in printing, two c.175 mm in length and two c.180 mm in length. Books were printed in the order Tenor, Bassus, Altus, Discantus (Boorman, Catalogue, 640)

Presence/absence of text	Voice part	Frequency	Folios	Note
fully texted with one text	discantus	normally
provided with one or two incipits	discantus	occasionally	11r–14r, 16r–17v	Gloria, Credo, Sanctus, and Agnus of Missa la Spagna provided with incipits only. Sanctus and Agnus of Missa Comme femme also with incipits only.
partially texted with one text	tenor	sometimes	1v, 2v, 3r–4r, 5r–6r, 8r
provided with one or two incipits	tenor	often	2v, 4r–v, 6r–7v, 8r–9v
partially texted with one text	altus	often
provided with one or two incipits	altus	occasionally	7r, 10v–13v, 14r–v	Agnus usually with incipits only. All parts of Missa La spagna with incipits only.
partially texted with one text	bassus	often
provided with one or two incipits	bassus	occasionally	4r, 5v–6v, 8r–9r,9r–11r, 12v–14r	Agnus always with incipits only. Sanctus usually with incipits only. All parts of Missa la Spagna with incipits only.

Non verbal performance instructions	Folios	Note
signa congruentiae
coronae

Types of script	rotonda
Types of script size position	Two sizes of rotonda: large for the Discantus title page, small for the text underlay, liminary text, and colophon.
Level of calligraphy	n/a
Colour(s) of text	black
Multiple texts	no
Text repetitions	few
Abbreviations	fairly many
Non underlaid vocal text	none
Liminary text	The name of the mass placed as a running header on all pages. The name also appears as a header at the beginning of each mass if the Kyrie is placed on other than top stave. Verte -instruction usually on stave space, either horizontally or vertically. "Tacet" and "Ut supra" horizontally on stave space. T 6r: "Fuga in diatessaron" in the text underlay space T 9v: voice designation "Tenor secundus" in top-left corner above the staves. A 9v: "Fuga in diapente" on stave space A 11r: "Duo" designation above the 4th stave. A 12r: "Duo" designation on stave space B 4r: "Descendit in undecimam" vertically in the inner margin

Level of Decoration	poor

Decoration initial type	Frequency	Folios	Initial type(s)	Size position	Description	Discrepancies
printed initials	always		woodcut, calligraphic style		Two sizes of woodcut initials used at the start of each Mass movement: large c. 25 mm in height, small c.18 mm in height. Large woodcut initials used also on the title pages of partbooks T, A , B. Large initials on the middle staves take space from the stave above, clef moved from the upper stave to create an "indent" to accommodate the initial. Two styles of large woodcut A, P and S.