Information processing device, a recording medium and method that enable sharing, among vehicles, of information about music that is being played back

An information processing device capable of being placed inside a first vehicle, the information processing device comprising a controller configured to:

• transmit an acquisition request for information about music that is being played back in a vehicle, in relation to a second vehicle among one or a plurality of vehicles existing in a periphery through inter-vehicle communication, by multicast or broadcast;
• receive, through the inter-vehicle communication, first information about music that is being played back in the second vehicle from a first information processing device that is placed inside the second vehicle;
• output the first information;
• transmit information about the second vehicle, together with the acquisition request related to the second vehicle;
• receive, from a second information processing device, information about a target vehicle of the second information processing device and the acquisition request related to the target vehicle of the second information processing device;
• and
• transmit, to the second information processing device, the second information about music that is being played back in the first vehicle where the information processing device is placed, in a case where the information about the target vehicle of the second information processing device indicates the first vehicle.