Mobile wireless communication terminals, systems, methods, and computer program products for managing playback of song files

A mobile wireless communication terminal comprising:

• a wireless communication module that is configured to communicate with other communication terminals over a wireless interface;
• and
• a controller that is configured to establish a connection with a plurality of participant wireless communication terminals via the wireless communication module, and to send light effect signals to each of the plurality of participant wireless communication terminals instructing each of the plurality of participant wireless communication terminals to control a lighting device thereof in correspondence with playback of the song file, wherein the controller is configured to send light effect signals to each of the plurality of participant wireless communication terminals instructing the plurality of participant wireless communication terminals to control the lighting devices thereof differently from one another.