From the Napoleonic Wars to the genocide of the Tutsis in Rwanda, via the great world conflicts of the 20th century is the first book to highlight the significance of ‘postwar transitions’ in the field of music and to demonstrate the influence that musicians, composers, critics, institutions, and publics have had on the period that follows conflict. Leading historians, political scientists, psychologists and musicologists explore the roles of music and culture in demobilization, reconstruction, memory, reconciliation, revenge, and nationalist backlash. Moving beyond the popular conception of music as an agent of peace, this study reveals music’s more complex and ambivalent role in the process of transition from war to peace.