UrbanRemix is a collaborative and locative sound project. Participants record geo-tagged sounds on their mobile devices, explore and remix them through a web-based interface, and share them with professional DJs for live performances. This article discusses the background and goals of the project, its design and implementation, and its realization at several workshops and public events.

This article discusses the development of a new interface that allows for the creation of mixed-reality performances. It details the features of the new technology, charts the ways in which the interface has been used in rehearsal sessions and describes how the technology functions as an innovative tool for creative expression.