As some of you are likely aware, this coming Aug. 31 marks the 25th anniversary of the release of Michael Jackson‘s Bad. I’d call it a classic, but then I’d have to be like: Well, Thriller, Off The Wall, and Dangerous are classics, too. Which I just did. Anyway, the soon-coming re-release of Bad is set to feature a slew of unreleased goodies, like this demo of “Don’t Be Messing ‘Round” that features MJ on the piano. While his work on the ivories is not to be undersold, it is, of course, his pipes that truly shine here. And that bass, too. You can stream the demo below. RIP.