IOS - Pause and Unpause Currently Playing Music

I am working on a IOS app that I want to have the functionality to pause and unpause music that is currently playing through the ipod, just like the ipod's play/pause button. Is there anyway to do that through IOS? The only answers I have found for this is for dealing with songs and sounds played开发者_开发技巧 locally through the app.

Any help would be fantastic. Thanks so much!

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[[MPMusicPlayerController systemMusicPlayer] play];
[[MPMusicPlayerController systemMusicPlayer] pause];