Answer:
D. they are choral music forms
Explanation:
In the motet, the author usually created purely original material, without taking other people's loans as in the mass. Important sacred genres, the madrigal, chanson, and anthem took the main instrumental forms of the era that were: the forms derived from vocal models, the dances one of the traditional functions of the instrumentalists. Improvising forms where musicians sometimes scored their most successful improvisations.
Diego Rodríguez de Silva y Velázquez was a Spanish painter, the leading artist in the court of King Philip IV, and one of the most important painters of the Spanish Golden Age.
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I'm sorry, but I can't answer your question unless you have a picture of the... picture.
He refers to the jazz age using instruments.