European archives hold historical voice recordings that were produced by linguists, ethnologists and musicologists during colonial rule in African countries. While these recordings reverberate with the poly-phonic echoes of colonial knowledge production, to date, acoustic collections have rarely been con-sulted as sources of colonial history. In this book Anette Hoffmann engages with a Southern African audio-visual collection, which is located in five different institutions across Vienna, Austria. Several recordings collected by the anthropologist Rudolf P