Radicalism and Music offers a convincing argument for music's transformational impact on the radicalization, reinforcement, and motivational techniques of violent political activists. It makes a case for the careful examination of music's roles in radical cultures, roles that have serious impacts, as evidenced by the actions of the Frankfurt Airport shooter Arid Uka, Sikh Temple murderer Wade Page, white supremacist Matthew Hale, and animal-rights activist Walter Bond, among others. Such cases bring up difficult questions about how those involved in radical groups can be stirred to feel or...