I turned off automatic synchronization of songs so that I can access my iPod from my iTunes at work. Then I added some songs to my main iTunes, and selected File/Synchronize "Howard Brazee's iPod", and waited until it was done. I then checked my iPod, and my songs weren't there. I checked back, and they still were in my iTunes. What did I do? Is the only way to synchronize to turn off manual synchronization, and then turn it on again when I'm done? I want my iPod to have all the songs from my main iTunes, but still have the songs accessible when I'm plugged into a different computer.