I've bought a few songs from iTunes with my iPhone. How do I make the songs synch up with my macbook? I have the auto synch turned off so that I can manage which songs I port over to my iPhone and I usually just drag and drop what I want to move. iTunes won't allow me to drag from the iPhone back over to the computer (or I can't figure out how to do it). I'm afraid to synch my purchased playlist because I do'nt want my Macbook to write over what's on my iPhone and cause me to loose my songs.