Put the CD-RW compact disc into your computer's CD burner.
Click the "Start" button located in the taskbar and click "Computer."
Click the "CD Burner" icon inside the "Computer" window.
Click "Erase this disc."
Follow the steps in the wizard that opens to remove the music from your CD-RW compact disc.
Put the CD-RW compact disc from which you want to remove music into your computer's CD burner.
Click the "Finder" located in the dock and click "Applications."
Double-click the "Utilities" folder.
Open "Disc Utility" and click the "Erase" tab.
Select your CD-RW from which you want to remove music and click "Erase."