Hello, I'm trying to save as much memory as possible on my iMac, and I've recently noticed that when I click on Macintosh HD, my iTunes songs are kept within my named file (on the left hand side - the one underneath Applications) in Music/iTunes/iTunes Music. A duplicate copy is also kept within the same named file in Music/Music [again!]/iTunes/iTunes Music. Also on the left hand side, underneath my named file is another file called Music, and the iTunes songs also appear twice exactly as it appears within my named file. So, it looks like 4 copies of my iTunes library is kept within my Macintosh HD hard drive. If this makes sense to anyone, I'd be very grateful if someone could explain to me why this is so, and whether I can delete any of these files to clean up the hard drive a little bit!? Thanks for any help!