Hours before country music star Garth Brooks is set to take part in a Music Keynote Conversation for South by Southwest, he will be holding a "very special press conference" Friday.

What's it about?

No one knows. But people are speculating that he may headline Saturday's free shows at Auditorium Shores. SXSW's Saturday lineup has had a blank spot under the headliner slot for two weeks.

We'll all find out after the 11 a.m. press conference on Friday.