When a melody is combined with an ornamented version of itself? When a melody is combined with an ornamented version of itself, often heard in jazz, the resulting texture is known as heterophony. A composition with strict imitation throughout is called a canon.
A corbel arch is an arch carries the thrust of weight to its sides. It uses a post-and-lintel, in which the lintel supports all the weight above it. A corbel arch is unique because it is the oldest form of arch known in architecture.
