Music On iPhone Won't Show Up On Computer

Hey everyone!

Ok so heres the problem. I deleted all the music on my iPhone 4 (October 2011 model) yesterday, and put on the songs I want on there. But now when my iPhone is in iTunes it shows that there are over 3,000 songs on there, but I cant access them on iTunes. They only show up on the iPhone music app?

Thanks.

Here is what im dealing with

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