KB Covers Keyboard Cover, MacBook/Air/Pro Unibody, Avid Media Composer (MC-M-CC) Avid Media Composer users can simply put on our custom keyboard cover and start editing right away. With our exclusive covers, your Avid Media Composer projects will get edited faster because you can spend more time working on your project and less time memorizing the program shortcut keys. Utilizing a 9-color printing process, the editing keys are color-coded and heat fused to ensure long lasting durability.