It sounds like you're asking for a review of the Rigmar Karaoke Collection (likely referring to the popular Rigmar karaoke tracks found on YouTube and other platforms), specifically whether it's free and worth using.
It is important to note that while the Rigmar Karaoke Collection is widely
Software: Programs like Kanto Player or KaraFun are recommended for playing MP3+G files on a computer.
Recommended Free Players:
If you're looking for a specific "Rigmar" collection:
For alternative karaoke options, platforms like KaraFun and YouTube offer extensive, free, or accessible tracks [2, 11].