So much is Don Zuniga, her father, that he does not know a semibreve from a culverin!
There was also a semibreve, a diamond-shaped note which was used when two or more tones were sung to one syllable.
The last note of the exercise, which was printed as a dotted minim, has been changed to a semibreve.
The dotted minim value of this corresponds with the semibreve value of the other.