This is a collection of original essays on auditory perception and the nature of sounds - an emerging area of interest in the philosophy of mind, epistemology, and metaphysics. The essays discuss a wide range of issues, including the nature of sound, the spatial aspects of hearing, musical experience, and the perception of speech. This collection of new essays exhibits the wide range of interesting questions concerning sounds and sound perception, some familiar from other sense modalities and others that are unique to audition, and should be of interest to both experts and newcomers to the study of auditory perception.