How do I add song from iPod to iTunes?

Here we would like to tell you how to transfer song from iPod to iTunes library with iMacsoft iPod to Mac Transfer.
1.First, download, install and run the software
Download iPod to Mac Transfer software and run it. Once connect iPod to Mac with Apple USB cable, and all information about your iPod, such as type, capacity, version, serial number, and format, will be shown on the main interface.
Tip: All functions for iPod are applicable to iPhone, iPhone 3G, iPhone 3GS, iPhone 4, iPhone 4S as well except for the photo management.

2. Export song from iPod to iTunes library
1) Open the library/playlist that you want to export.
2) Check the song(s) you want to export in the file list.
3) Click the "iPod to iTunes" button to start exporting files.