CD-RW discs are not write-protected and can be reused multiple times. However, if you copy music files to the disc, many CD players will not recognize the files.

Then, after ejecting the original CD and inserting a blank CD into the computer, you could copy those downloaded music files onto a second CD, also known as “burning a CD.” ...

CNET's How To expert Sharon Vaknin explains how to transfer the music on your iPod to your computer.

How to transfer music from PC or Mac to iPod? This application works in both directions when it comes to transferring music between your PC or Mac and your iPod. To transfer music to your computer, ...