How does the Mac system completely remove songs from itunes?

Whether it's a Mac or a Windows system that has been in use for a long time, your system will always be redundant with many unwanted files, such as the Mac OS system's itunes after a long time, store more songs, and many users will find that, Even if you delete the songs in itunes, the songs still exist on the computer. For the MacBook Air users, memory is particularly valuable, small weave only found that shipped to itunes unexpectedly have torn down the 10G song, no wonder that the general administration of memory is not enough, we naturally can not allow the existence of these documents. So, how to clean, how to completely delete these songs?

It turns out that itunes has an itunes media feature that automatically stores songs in a folder on itunes.

So, when you right-click on the itunes song list, there's an option-see it in the Finder, and then you can--command+delete delete the source file directly!

Also, in preferences, you can delete a source file by deleting the settings from the library when you delete the list.