After studying this chapter, you will be able to:

1. Describe how major developments in audio technology changed how people experience music.

2. Explain how rock ‘n’ roll developed out of two different music traditions.

3. Explain how radio transformed from a channel for interpersonal communication to mass communication.

4. Describe how different recording formats have given rise to concerns about the purchasing of music.

5. Discuss how long-tail audio technology is changing the radio and recording industry for everyone from music fans to international stars.