The prostheses Peter Szendy explores--those peculiar artifacts known as musical instruments--are not only technical devices but also bodies that live a strange phantom life, as uncanny as a sixth finger or a third lung. The musicological impulse to inventory those bodies that produce sound is called into question here. In Szendy's hands, its respectable corpus of scholarship is read aslant, so as to tease out what it usually prefers to hide: hybrids and grafts produced by active fictions, monsters, and chimera awaiting the opportunity to be embodied. Beyond these singular bodies that music...

The world of international politics has recently been rocked by a seemingly endless series of scandals involving auditory surveillance: the NSA's warrantless wiretapping is merely the most sensational example of what appears to be a universal practice today. What is the source of this generalized principle of eavesdropping?All Ears: The Aesthetics of Espionage traces the long history of moles from the Bible, through Jeremy Bentham's "panacoustic" project, all the way to the intelligence-gathering network called "Echelon. " Together with this archeology of auditory surveillance, Szendy offers...