1. A system for identifying content, comprising at least one hardware processor that: receives content having audio; generates a representation of the audio of the content; performs a first database search based on the representation; performs a second database search based on text corresponding to words that are sung or spoken in the content; responsive to determining that the first database search yielded a match and the second database search yielded a match, causes a first indication that the content contains a known performance of first known content to be output for presentation to a user, wherein the first indication includes identifying information of the known performance of the first known content; and responsive to determining that the first database search yielded no match and the second database search yielded a match, causes a second indication that the content contains a cover performance of second known content to be output for presentation to the user, wherein the second indication includes identifying information of the second known content and identifying information of a known performance of the second known content.