WASHINGTON — D.C. rapper Wale is holding a surprise concert Saturday. The details will be announced at 1 p.m. Saturday, an hour ahead of the 2 p.m. show. Wale revealed the top-secret show Friday on Twitter:

#theconcertaboutnothing tomorrow RSVP http://t.co/4OA8Jh8P28 @dcsportsent @kingmilesiii #wedc — Wale Folarin (@Wale) April 3, 2015  

If you RSVP to his Twitter account, you’ll get an email alert about whether the show can accommodate your attendance.  You can also follow the Twitter hashtag #WeDC. The show is timed with the launch of Wale’s new album, “The Album About Nothing,” a collaboration with comedian Jerry Seinfeld, who worked with him in 2008 on “The Mixtape About Nothing.”