Genre: 
Full text: 
O quam gloriosum est caelestium virtutum contuberniis perfrui et intueri agmina sanctorum splendidius sideribus micantia
Fulltext source: 
CH-E 611
Notes: 
this chant is partial in CH-E 611, beginning at "...frui"; the first portion of text has been taken from the responsory with similar text (please make corrections if concordant chants in other manuscripts are found)