iphone music app 3 second delay

iPhone music app 3 second delay
location: apple.com - date: January 28, 2013
I reformatted my iPhone 4 and now when I try to use the music app there's a 3 second delay from when I touch something to when it activates. In other words, 3 seconds go by between when I click on a song and when it plays. Or, 3 seconds between when I click a playlist and it opens. It's pretty frustrating. In a possibly related problem, the clock on top of the screen is different too. It used to just say 8:30 now it says 08:30, and I specifically set it to 12 hour time. Both of these changes came since the reformatting. What can I do about this?
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