Combining mobile technology and music promises some excitingmdevelopments in a rapidly emerging field. Devices such as mobile phones,walkmans and iPods have already brought music to the ever-changing social and geographic locations of their users and reshaped their experience of the urban landscape. With new properties such as ad hoc networking,Internet connection, and context-awareness, mobile music technology offers countless new artistic, commercial and socio-cultural opportunities for music creation, listening and sharing. How can we push forward the already successful combination of music and mobile technology? What new forms of interaction with music lie ahead, as locative media and music use merge into new forms of everyday experiences?