Answer:
Here is the definition
Explanation:
A large-scale musical work for orchestra and voices, typically a narrative on a religious theme, performed without the use of costumes, scenery, or action. Well-known examples include Bach's Christmas Oratorio, Handel's Messiah, and Haydn's The Creation.
They served as a pharaoh’s tomb.
Smooth white limestone once covered the hollow interior.
They have triangular sides.