P-Gmas (Guimarães) Museu de Alberto Sampaio LC 017 (guardas)

Folios A and B are the guard leaves of codex LC 17. Folio A is the initial guard leaf, folio B is the final one (named in the image gallery under Z_A and Z_B). Each guard leaf is made up of two bifolia pasted together. The top bifolium of each guard leaf is pasted upside-down with respect to the bottom bifolium. Each side of the guard leaves can be virtually divided in four sections: top left and right and bottom left and right. The image gallery provides full-page images of each folio side (Ar to Bv) and detailed images of the four sections of each side(From 1 to 8). Both bifolia of folio A are non-central bifolia. The bottom bifolium of folio B is a central bifolium (4r-5v). The analysis of the musical contents of guard leaves allowed us to demonstrate that all the bifolia originally belonged to the same gathering indeed, Kyrie Cunctipotens starts on folio A (initial guard leaf) and continues on folio B (final guard leaf) and the Kyrie Fons Bonitatis starts on Br TR (Cv) and it continues on central bifolium (4rv).