This question seems to be incomplete. However, there is enough information to find the right answer.
Answer:
1. Highly Ornate
2. Form
3. baroque, classical, romantic, modern
4. The Libretto
5. 1600-1750
6. Oratorio
7. baroque
Step-by-step explanation:
The music of the Baroque period tended Highly Ornate, not a capella nor soft.
In music, the form refers to the structure of the composition.
In chronological order, the main periods of classical music are Ancient, Medieval, Renaissance, Baroque, Classical, Romantic, Modern, and Postmodern.
The Libretto is the text of an opera.
The Baroque period started around 1600 and ended around 1750.
An Oratorio. is a staged drama set to music.