Actually, the person at Korg I spoke with in December stated that THEY, (Korg), had found that these particular sound disks were problematic. When I posted this topic, I wasn't looking to rattle any cages, just alert would be consumers to be aware. We ALL need to be concerned as to the way we spend our money in these days of financial downturn, layoffs, and emotionally devoid CEOs/Managers/Boards, don't we? Yes, being cheated out of $6 isn't a big deal, but dishonesty is dishonesty.