Before the baroque era the church was a important sponsor of music. during the baroque era this changed with the rise of

Chamber music and operas

Explanation:

Though this may lean a little more toward the beginning of the Classical era, many Baroque artists were employed by royalty and often wrote chamber music. Bach wrote a new piece about every other week for chamber music. Opera was also on the rise as well, the most famous of the Baroque period was the Coronation of Poppea.

i think the answer could be either a or b because both are part of the post production part. hopefully this you a little.