1. A method employing a user device having a processor configured to perform acts of the method and having an interface for user inputs and having a display screen for outputs of information to a user, the method comprising the acts: the user device processor receiving a user request, through the interface of the user device, to process audio content; responsive to said request, applying an algorithm to data representing at least some of the content; without further user request, the user device processor taking a first action based on an output from said algorithm, said first action including presenting first information on a display screen of the user device; and in response to a further user request, the user device processor initiating a second action, the second action leading to presentation, on the display screen of the user device, of a web page associated with an artist involved with creation of the content.