The picture surrounding the line-up of the first annual Red Sky Festival is a little less mixed up, thanks to the announcement of 311 as the event’s first headliner. The Omaha-bred band will play the TD Ameritrade Park, 1200 Mike Fahey St., Tuesday, July 19. Sublime with Rome will also play inside the baseball stadium to cap off the inaugural night of the festival. Tickets start at $22. 311.com will offer a pre-sale starting Wednesday, May 3, with tickets being offered to the general public Saturday, May 7, via Ticketmaster. Red Sky Festival will announce its next slate of headliners Monday, May 9.