Two single leaves with musical notation

Accession number: 
MS M.952.1-2
Title: 
Two single leaves with musical notation
Created: 
Possibly France, 11th century.
Credit: 
Gift of Mrs. Curtis O. Baer, 1966.
Description: 
2 leaves : vellum, ill.
Notes: 

Ms. two single leaves from the same manuscript; written and illuminated in the 11th century, perhaps in France.
M.952.1: Text contains a hymn devoted to the angelic orders that begins "Omnes sancti seraphim cherubim".
M.952.3: Text contains part of a hymn beginning "Cantemus cuncti melodum".
M.952.1: 1 column (9 lines), with Boethian notation; 111 x 140 mm.
M.952.2: 1 column (14 lines), with Boethian notation; 162 x 153 mm.
M.952.2: Musical notation: 6 staves of 5 lines with neumes.

Script: 
Continental protogothic script
Language: 
Latin
Century: 
Classification: