This program will allow you transfer your songs off your iPod to a PC, iDump does come wrapped in installer but you can simply drop the .exe in the root directory on your iPod and run it from there.

Connect you iPod and run iDump and you'll have access to all your songs, select the songs you want to transfer then pick a destination directory and how you would like your songs to be named. And then sit back and transfer all the selected songs to the PC.