Just feel free to download and install iPod touch to iTunes transfer to your computer. Run the software after you connect iPod touch to computer.
Now, just go to "File > Export All ..." to export all files of iPod to your computer.

When the screen as below pops up, just go to the "Yes" button to find the export folder and then drag all files to iTunes.

Now, you have got the files of iPod touch on iTunes. It is so easy! You may use your transferred knowladge to sync iPod touch to iTunes. Just free download iPod to PC Transfers here to have a free trial.

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