Composite of several originally separate items later bound together. Copied mainly by a single scribe, who also wrote most of SegC 1; hymn on new ff. 35'-38 is later addition in a different hand. Copied in Segovia, for use by cathedral choir.

Original covers of dark brown leather over boards, with metal corners and clasps.

Title on new f. 1': 'Libro de musica … de diversos Autores Escogido todo u ordenado por el Maestro Sebastian lopez de Velasco, por mandado de los senores del cabildo De la Sancta yglesia de Segovia.'

black void mensural

Modern pencil foliation, 1-105 + 116-171; hymn fascicle (= new ff. 40-105) also has original ink foliation, 1-66

Plain block style initials in red, green, blue, and yellow; primary initials on new ff. 2'-3, 40'-41, 74'-75, 85'-86, 116'-117, 156'-157, and 162'-163 decorated with floral borders. Edges of folios tinted red.

Original index of hymn fascicle on new f. 39'; no index for other pieces.

parchment

8 Magnificats, 1 canticle, 9 psalms, 30 hymns, 4 Benedicamus dominos = 52

Guerrero-4, Mir y Llussá-1, Morales-B, Navarro of Seville-23, Palestrina-4, Pujol-1, Sepúlveda-2, Serrano-2, Velasco-3, Vivanco -1, Wreede-1, anon-7

i + 161 parchment folios, 530 x 375. Composite of several originally separate items later bound together. Modern pencil foliation, 1-105 + 116-171; hymn fascicle (= new ff. 40-105) also has original ink foliation, 1-66. Original covers of dark brown leather over boards, with metal corners and clasps. Original index of hymn fascicle on new f. 39'; no index for other pieces. Copied by one main scribe, who also wrote most of SegC 1; hymn on new ff. 35'-38 is later addition in a different hand. Plain block style initials in red, green, blue, and yellow; primary initials on new ff. 2'-3, 40'-41, 74'-75, 85'-86, 116'-117, 156'-157, and 162'-163 decorated with floral borders. Edges of folios tinted red.

Early 17th century, with additions in 1759. Copied in Segovia, for use by cathedral choir. Title on new f. 1': "Libro de musica … de diversos Autores Escogido todo u ordenado por el Maestro Sebastian lopez de Velasco, por mandado de los senores del cabildo De la Sancta yglesia de Segovia."