Answer:
4. a diffusion of the style into every corner of Europe
Explanation:
The middle baroque was characterized by a diffusion of the style into every corner of Europe
The most characteristic of baroque music is its use of bass continuo and baroque style flourished in music during 1600 to 1750 but the middle baroque period spanned the years 1640-1700 in which this era of baroque was defined by the emergence of the vocal styles of cantata,oratorio and opera, the composer in the middle baroque phase favored writing composition for instruments of violin family.
I believe its a hammer. Hopes this helps !
In the old days, when musicians got together to play, they used whatever instruments were around. If there were three lute players, a harp, and two flutes, then that's what they used. By the 1500s, the time known as the Renaissance, the word "consort" was used to mean a group of instrumentalists, and sometimes singers too, making music together or "in concert".