Aidan Erasmus is a lecturer in the Department of History at the University of the Western Cape. His research is concerned broadly with sound and society past and present, with an interest in the comparative histories of race, technology, and sound in Africa. He has presented and published on topics relating to sound, technology, music studies, and memory studies. His current research project engages the interpretive role of sound in black intellectual circles and the technological and sensorial contexts of those milieus at the turn of the twentieth century. Aidan is also currently co-editor of a special issue of *Kronos: Southern African Histories* with Valmont Layne under the theme 'Oral/Aural: Pastness as Medium and Method', and co-convenes the Sound Study Working Group at the University of the Western Cape.