After reading Levitin Chapter 9 you should be familiar with the following vocabulary as it applies to the topic at hand:

Evolutionary Lag
Spandrel

After reading Levitin Chapter 9 "you should be able to answer the following questions:

1. Some cognitive scientists feel that music is like cheesecake...what do they mean by THAT?

2. Other theorists feel that music is like a peacock's feathers...what do they mean by THAT?

3. How does the term evolutionary lag fit in with The Media Equation?