download this small piece of software which will enable you to take the tracks from your iPod and put them back on your computer.

http://thelittleappfactory.com/irip/?gclid=CLS8w6DWr6ICFQqysgodQi4jQg

Just as well that this software works on Windows and Mac, as you didn't bother to tell us what computer or OS you are using.

Let us know how you get on

P