Software requirement: URL Helper 2.72 or Higher (HiDownload Pro: Optional)

First, you must know the iTunes radio MP3 streams address(URL), then record the MP3 streams with URL Helper 2.72 or HiDownload Pro.

Step 1: download and Install iTune from www.apple.com

Step 2: download and Install URL Helper

Step 3: Run URL Helper, and select the adapter which you connect to Internet, and clicked "Sniff Network" button.

Step 4: Run iTune and select the "Library -> radio", and click the radio which you want to listen or record.

Step 5: iTune start to connect server, wait a second, you will find the URL in "URL Helper" result list, see the pic below.

Step 6: clicked mouse right-button on the URL, and select "Download Immediately" menu, and URL Helper start to record the radio.

Step 7: if you want to stop the records, select the item in Download Area List, and clicked stop icon.