Answer:
Josquin’s “Ave Maria…virgo serena” incorporates an older Gregorian chant only briefly at the beginning. The well-known Ave Maria Gregorian melody is the basis for the opening1. Josquin opens the work with a quotation of a Gregorian chant on the words first acclaimed by the angel Gabriel: “Hail Mary, full of grace, the Lord is with you serene .
Step-by-step explanation: