A media playback system comprising a transmitter configured to transmit an indication of a media item; a plurality of drones; a controller configured to control the spatial configuration of the drones and, in response to receiving the indication of a media item control the drones to adopt a predefined 3D spatial configuration; a mobile device comprising a camera and a media playback unit, wherein the camera is capable of capturing an image of the plurality of drones; a processor configured to analyse the captured image to determine the media item that corresponds to the predefined 3D spatial configuration; and wherein the media playback unit is configured to play the determined media item.