Assignment #6: Chapter 4, BTA

1. Read Chapter 4, BTA.

Here's a later version of the chapter (presented at a conference) which underscores the centrality of improvisation:

https://docs.google.com/document/d/1Mm6ANBj5htqF5FHWTBKlD8J7XAh4UYt5jtJACy2-os8/edit?usp=sharing