books.google.com - Exposure is the name of the game in the world of mass media today. Customers are more selective about what they purchase, in part because prices are higher, and in part because they have so many choices about how to spend leisure time. In the exposure of popular music, and in particular rock, the role...http://books.google.com/books/about/Risky_Business.html?hl=nl&id=kT0fKUCTUC4C&utm_source=gb-gplus-shareRisky Business