iTunes store provides varieties of songs music purchase and download, but Apple DRM License protection limits usage of files and device, That's why we can't freely put our purchased iTunes songs music on other platform or portable players except iTunes and Apple Players, are there any ways to disable this DRM Copy protection and remove DRM from iTunes songs music M4A AAC M4P to play iTunes tracks on non-iPod media players like Zune, PSP, Blackberry, Creative Zen, Sony Walkman, cell phone, etc.
Here this tutorial is designed to remove DRM from iTunes Music to make iTunes DRM music free.
Materials you need: iTunes, CD/DVD writer, blank CD-R disc.
Note: This way is free, but it's not very convenient and may wear out your CR-ROM.
Tools you need:
iTunes,
Music purchased from iTunes,
DRM Media Converter – a DRM Removal software that can remove DRM from Music Video in batch conversion mode and is compatible with Windows vista 32/64 and Windows 7.
1. Download DRM Media Converter, install it.

2. Add file into DRM Converter. Load your DRM protection music from iTunes by clicking 'ADD' button.
3. Customize settings. To select output file format, to define output destination, 'options' button provides general output setting, DRM finder, and some computer setting.
4. Start the conversion and get songs music free then you may also delete originals files.
Note: DRM Converter cost $39.95, buy it can remove DRM from iTunes Music with Fast conversion speed and high output quality in batch conversion mode, not only iTunes, but almost all DRM Music Movie files downloaded or purchased from online store like Wondows media center, Napster, Rhapsody, Beashare, etc, it is really worth the price, especial for the users that are always confused by DRM or incompatible formats.