It's easy to track down iPhone apps that name catchy tunes, but it now looks like Apple wants to spare you from having to search in the first place. Bloomberg sources claim that a future version of iOS will incorporate Shazam's song recognition in the same way that the existing mobile platform integrates Facebook and Twitter. While built-in music detection wouldn't be a new idea (just ask Windows Phone users), you could ask Siri to tell you what's playing rather than hit a button. There aren't any clues as to when the feature would reach iOS. However, Apple's Worldwide Developer Conference begins in early June -- if the rumor is accurate, there's a good chance we'll get the full scoop in a matter of weeks.
Source : http://www.engadget.com/2014/04/17/apple-song-recognition-rumor/?ncid=rss_truncated