It will be 'September' in August, as the classic R & B act Earth, Wind & Fire have been announced as grandstand headliners for the Iowa State Fair.

The group continues to tour, and will take the stage at the fairgrounds Thursday night, August 16. Tickets will go on sale March 9 at 10 a.m., starting at $37.

Another act, country crossover duo Florida Georgia Line, will headline the fair's final night, Sunday, August 19. Tickets for that concert, also on sale March 9, will start at $70.

For more information, visit the Iowa State Fair website.