There has been an extraordinary amount of interest in sound spatialisationin recent years. The volume of work in this area has pushed manyinternational organisations to feature sound spatialisation as a theme forconferences and publications, and Organised Sound is probablyoverdue in having a thematic issue based upon aspects of sound inspace. This issue of Organised Sound contains many different viewsof space. We have included articles about spatialisation techniques, ourunderstanding of sound spatialisation, composition, performance and spacesinside music as well as the spaces and environments where music can exist,including virtual spaces.