Once you put your tunes on an iPod unfortunately it's a one-way sync unless you know the tricks for getting them off. There are already a lot of different ways to copy music off of an iPod, Apple is just choosing to spend a lot of time and resources to make it hard to do. This How-To shows you several different ways of getting the music off of your iPod and onto both Macs and PCs, all with free tools......(free).....