This is an example of a vault, specifically a barrel vault. This type of construction is very stable because of its weight bearing capacity. Therefore the structure is likely to be long-lasting .
An orchestra is a geoup of music made by the sound of string, brass, percussion, and woodwind it is often played for classical music.
THE ONES THAT WAS CARVING STONE
Answer:
I kind of feel like it would be useful to see the music pieces to be able to help answer your questions