Go to the link below and look at the Karaoke Suite4. It a package deal on the products used for copying, playing, creating, key changing, vocal removal/reduction of cdg Karaoke Discs.
Also look at the MTU certified CDG burners, and media listed under KARAOKE PRODUCTS on the main website.
http://mtu.com/basics/karaoke-suites.htm
Hope this helps point you in the right direction.
George