What is an oratorio? how does it differ from an opera? (can you guys give me a short, simplified answer so that i can understand, i would really appreciate that : -)

Which style of polyphony uses a borrowed chant and arranges several new melodies and texts above and unrelated to the chant?

Writing: article there are always new structures being erected. one new project is china’s central television building located in beijing, china. the odd-shaped skyscraper designed by dutch architect rem koolhaas is expected to cost nearly $800 million. there are mixed feelings about the structure, most of which are about its shape and size in the middle of the city. you will conduct research about one new construction of your choice. search through local newspapers or online architecture periodicals and select one new building to explore. write an essay addressing the following prompts: • location of new building • purpose and proposed function of new building • cost of construction • architect who designed building • materials used to construct building • reaction by others • expected completion date • include an image or link to an image of structure

Who is depicted in the image below?