Archaeoacoustics focuses on the role of sound in human behaviour, from earliest times up to the development of mechanical detection and recording devices in the 19th century. Recent calls for an `archaeology of the senses' have served as a timely, even overdue reminder that the past which we experience - and which others have experienced before us - is multisensory, drawing not only upon the primary field of vision, but also on touch, smell and hearing. Megalithic tombs, Palaeolithic painted caves, Romanesque churches and prehistoric rock shelters all present specific sound qualities which offer clues as to how they may have been designed and used. Voices resonate, external noises are subdued or eliminated, and a special aural dimension is accessed which complements the evidence of our other senses. The present volume, arising from a conference held at the McDonald Institute in 2003, brings together archaeologists and specialists in early musical instruments and acoustics in an attempt to unlock some of the meaning latent in the acoustics of such early structures and spaces. It will be essential reading for all who are concerned to seek a broader understanding of human sensory experience from prehistory up to historical times.