Sometimes there are buttons for music control in the lock screen (next/previous song, play/pause), but sometimes they're not shown in the lock screen and I have to unlock my iPod Touch and click the buttons. I'm wondering when will the buttons show on the lock screen?
closed as off topic by Daniel Beck♦, Journeyman Geek♦, 8088, Kyle, Nifle Jul 22 '12 at 17:23
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