According to an illustrative embodiment, an information processing apparatus is provided. The information processing apparatus includes a communication device to receive plural pieces of tag information corresponding to respective positions within a target area, the target area having a position defined by the position of the apparatus; and an output device to output a plurality of sounds such that for each sound at least a portion of the sound overlaps with at least a portion of another of the sounds, each of the sounds being indicative of a respective piece of tag information.