Zeta Phi Beta Sorotity Harvest Ball Zeta Phi Beta Sorotity , Inc. presents their 1st annual Harvest Ball on Oct. 22 @8 p.m. at the Butler County Fairgrounds. Tickets are $20.00 single and $35.00 Couple. Admission 21 years or older. Oct-22-16 8:00 pm - Oct-22-16 10:00 pm