McFerrin -- 'Don't Worry,' I Won't Sing It

10/13/2009 2:46 PM PDT BY TMZ STAFF
There's a little song he wrote, you might want to sing it note for note ... but he don't.

Bobby McFerrin: Click to watch
We got "Don't Worry, Be Happy" singer Bobby McFerrin yesterday in D.C., where he said he hadn't sung his most famous song at a concert in 20 years.

Apparently he's as sick of hearing that song as anyone who ever owned a Big Mouth Billy Bass.