How to move your iTunes library to an external drive

How to move your iTunes library to an external drive
iTunes has a (deservedly) bad reputation for taking total control of your music and videos, including where they live on your computer. It wasn't always easy to move your library in past versions of the software, but happily iTunes 7 makes relocating an existing media library pretty painless - that is, with a little know-how. Here's how to get it d