The Zune Marketplace is an online music, video and podcast store that integrates with Zune software and Xbox 360. Songs (offered in DRM-restricted WMA format) downloaded from Zune Marketplace are protected by DRM license and can't play on iPod or other Apple devices.
So if you want to play WMA songs purchased from Zune Marketplace on your iPod, you will need to remove DRM from Zune Marketplace and convert the protected WMA to iPod supported DRM-free MP3. The tool you can rely on is DRM Media Converter. With it, you can fast strip Zune Marketplace WMA DRM and convert WMA to MP3 for iPod. Now download the program and let's start converting Zune to iPod.
Install and launch the DRM converter and click "Add.." to import DRM protected WMA files bought from Zune Marketplace or Zune Pass subscription. (If you don't know which files on your folder is encrypted with DRM license protection, you can add DRM files via DRM Finder directly). Besides Zune, this DRM removal can also crack DRM protection from video/audio downloaded or purchased from iTunes, Amazon, Nokia, BBC iPlayer, etc.
Click "Audio files to" and choose "MP3" as the output format. Then click "Start" to start removing DRM from Zune Marketplace and converting your Zune protected WMA to iPod MP3. You can check the conversion progress by the progress bar.
After the conversion, click "Find Target" to located the converted DRM-free MP3 files. Then open your iTunes and click "File" to add the music to iTunes library. After that, plug in your iPod to computer and sync the music to your iPod. Now just enjoy listening to music on your iPod on the go!