Music from the Earliest Notations to the Sixteenth Century

of the Virgin’s birth and the miracle of the actual “virgin birth,” that is, her son’s.

FIG.    7-2A Ex semine  clausula    (W 2 ,  fols.   16  v–17).  It  begins  halfway through the bottom  system  on  the left.

FIG.    7-2B    Motetus on  the same    clausula    (W 2 ,  fol.    146 v–147)  as  in  Fig.    7-2a.   It  begins  with    the ornate  capital E   halfway down

the left    side    and ends    halfway down    the right.