The voice has been a major theme in contemporary political theory, especially since Judith Butler began directing attention to the potential violence of speech, for instance in her 1997 book Excitable Speech: A Politics of the Performative. The great value of the deeply thought-out exhibition “Acts of Voicing: Über die Poetiken und Politiken der Stimme” (On the Poetics and Politics of the Voice) was its demonstration of how the voice has been a theme for art as well. At the center of the exhibition was a projection showing a disembodied mouth: lips, teeth, oral cavity. It was moving fast—too