Leong's identity as a shared agent, and her longtime engagement with performance and analysis, shine through in Performing Knowledge. Three concepts [shared items, shared objectives, shared agents] provide an insightful new way of considering performance and analysis. The website includes a trove of resources ... Although this volume was not clearly intended as a textbook, it would be an interesting pedagogical experiment to use this book as a text over the course of a semester, examining the twentieth-century musical works within and the teamwork that led to their chapters, while fostering collaborative relationships between duos and small groups of students, leading to similar shared objects (essays, audio and video recordings) as final projects.