I'm almost out of room on my mac which I thought was impossible for me so I went and looked to see what was taking up so much room. In iTunes it tells me I have 9.2GB of music which is fair, but when I open my music folder --> iTunes music the info says I have 22.16GB in the folder! Did I do something wrong? I was thinking of compressing my files, but really I have no idea what compressing does and if it will give me troubles.