Frottole 1
Questa e mia
The cantus in particular is very easy, very good for beginners to early notation.
No ficta.
Repeats:
(A BB C) + A
i.e. play ABBC as many times as desired, for as many verses as desired, then finish with a final A.
A is the "Chorus", BBC is the "verse". Structure is chorus-verse-chorus-verse-chorus.
Pieta cara signora
Sprightly, so be sure to count in semibreves or breves.
In eterno
Structure:
At the end of the piece is a custos and "ut supra" (as above) and "Sio douesse, etc" (referring to prior words).
So the structure seems to be
A (B CC D)x B with x being as many verses as you wish (three present). That is A is an introduction played only once, B is the "chorus" and CCD is the verse.