1. A method, comprising: scanning an unknown media file to obtain a snippet from said unknown media file in response to a user request for identifying metadata associated with said unknown media file, by executing a program instruction in a data-processing system; transmitting said snippet to a repository in order to thereafter search said repository based on said snippet, by executing a program instruction in a data-processing system; and automatically retrieving a matching set of metadata with respect to a known media file stored in said repository if said snippet matches content associated with said known media file, by executing a program instruction in a data-processing system.