MP3+G to ZIP pairs the MP3 and CDG files created when you rip a CD+G and creates a single ZIP file from them, saving a considerable amount of space while making your karaoke collection more organizable. Many software karaoke players can read from ZIP files. A typical CDG file will compressed by 75%, resulting in a savings of 3-4 megabytes per song. If you have 10,000 karaoke songs, you will save as much as 30GB.