<span>This style of chanting is called organum. Organum is a form of music from medieval times that is based on an existing melody. It includes an added voice that helps enhance the harmony of the music. It is often seen in Gregorian chanting and is one of the earliest types of music.</span>
Surrealism- actual things drawn pretty realistically, but they don't make sense together or that scene wouldn't happen in real life. Even if the object depicted doesn't make sense, it's still clearly depicted.
Abstract- even though it conveys emotions or sometimes resembles things, abstract usually doesn't depict a scene and is sometimes shapes and colors, that when combined, makes you feel a certain way.
