Zion Caravan Tour Presented by The Gray Havens At Oreland Evangelical Presbyterian Church An evening of stories and songs, featuring The Gray Havens, Antoine Bradford, LOVKN, and Mark Barlow. Wind & Sail (Graham and Abby Allen) will also be playing during the concert! OEPC Ticket Discount The Gray Havens created the discount code OEPTAKE5 just for OEPC! When the discount is applied at checkout it will take $5 off adult general admission tickets bringing the price down to $20. The discount is valid Sunday, September 17 until Sunday, October 1 at midnight.