Tags: Genre, Music Genre, Topical Concept.
Top-down and bottom-up are both strategies of information processing and knowledge ordering used in a variety of fields including software humanistic and scientific theories (see systemics) and management and organization. In practice they can be seen as a style of thinking and teaching.A top-down approach (also known as stepwise design and in some cases used as a synonym of decomposition) is essentially the breaking down of a system to gain insight into its compositional sub-systems.