Entertainment server and associated social networking services

An entertainment system for playing music in one or more venues, comprising:

• at least one audio reproduction device provided in a venue and connected to a network, the at least one audio reproduction device comprising:
• a digital storage memory;
• at least one communication interface configured to communicate with a mobile device via a social networking site, the mobile device being located at or remotely to the venue;
• and
• at least one processor communicatively coupled to the digital storage memory and the communication interface, the at least one processor configured to perform operations comprising:
• playing songs from a queue of songs, songs in the queue being from a list of songs of a subset of a catalog of songs and being available to be played at the venue either by downloading to the audio reproduction device or by streaming;
• enabling a plurality of patrons to check in to the entertainment system via respective mobile devices each connecting to the entertainment system via the social networking site;
• transmitting information regarding one or more lists of songs or songs of from the one or more lists of songs via the social networking site to the mobile device from which a patron is checked in, to be communicated to the patron;
• receiving, from the mobile device and in response to the transmitting of the information, selections of respective songs or at least one list of songs;
• and
• in response to receiving the selections, adding at least some of the selected respective songs and/or songs from the selected at least one list of songs to the queue of songs.