How to compress mp3 files?

As you said that you want to save the disk space of your computer, so I have a solution for your this problem if you want to compress mp3 songs then you can use any of the mp3 compressor software which you can easily download from any software related website from the internet like cnet, aphiit, mininova etc or you can convert the mp3 song to any other sound format like .aac and .amr. This will help you to save the disk space of your computer hard drive the other way is you can zip the whole folder in your computer system this can also help you to safe the disk space, so these are some ways to save the hard disk space of your computer system, the better way is you can make a zip file of the whole folder because it’s safe for your mp3 songs quality. So these are some better ways to resolve your computer system disk space problem.