Karaoke revolution game for xbox 360 how do I download new music?

To download new music for Karaoke Revolution on Xbox 360, you need to access the Xbox Live Marketplace through your console. Navigate to the "Games" section, then find Karaoke Revolution and select it. From there, you should see options for downloadable content (DLC) where you can purchase and download new songs. Be sure your Xbox Live account is active and you have sufficient points or funds to make the purchase.