“Karaoke is not a format. It is a verb. You cannot preserve it. You can only do it.”
This is the most critical question. Unlike Pirate Bay or random MP3 blogs, that operates under the Digital Millennium Copyright Act (DMCA) and relies on Fair Use and the copyright expiry of certain media. karaoke archive.org
On the item page, scroll down to the Download Options box. Look for: “Karaoke is not a format
Use this when you are adding new files (like CDG, MP3+G, or MP4) to the archive. or MP4) to the archive.
