Oklahoma Bandmasters Association 4A Marching Contest ← Go back Event LogoOklahoma Bandmasters Association 4A Marching ContestEdmondLocation - StateOklahoma10/11/2025Edmond Santa Fe High School Contest Information Participating Bands/Schedule Schedule Source: OBA website OBA-4A-Marching-Championships-Schedule.jpg4a_oba_finals-recap.pdf4a_oba_prelims-recap.pdfAdjudicator Panel Music Performance Andrew Buikema Jason Robb Music Effect Bob Chreste Rich Murphy Visual Performance John Leonard Ted Wemhoff Visual Effect Conrad Isenhour Contact Name: Mike LoweryEmail hidden; Javascript is required.