This engaging account explains the meaning and origins of performance theory and why it has become so important.This introduction provides a fresh approach to the meaning and origins of performance theory for students, scholars and enthusiasts. Defining the key figures and terms within the field, Simon Shepherd ranges across theories and practices, from folklore studies to performativity to protests against road building.This introduction provides a fresh approach to the meaning and origins of performance theory for students, scholars and enthusiasts. Defining the key figures and terms within the field, Simon Shepherd ranges across theories and practices, from folklore studies to performativity to protests against road building.What does 'performance theory' really mean and why has it become so important across such a large number of disciplines, from art history to religious studies and architecture to geography? In this introduction Simon Shepherd explains the origins of performance theory, defines the terms and practices within the field and provides new insights into performance's wide range of definitions and uses. Offering an overview of the key figures, their theories and their impact, Shepherd provides a fresh approach to figures including Erving Goffman and Richard Schechner and ideas such as radical art practice, performance studies, radical scenarism and performativity. Essential reading for students, scholars and enthusiasts, this engaging account travels from universities into the streets and back again to examine performance in the context of political activists and teachers, countercultural experiments and feminist challenges, and ceremonies and demonstrations.Preface; Part I. Definitions of Performance: 1. Sociology and the rituals of interaction; 2. Theatre, ceremony and everyday life; 3. Ethnography, folklore and communicative events; 4. Cultural performance, social drama and liminality; 5. Performance as a new sort of knowledge; Part II. The Emerglf