Here's how to watch the 2023 REBROADCAST: WGI Perc/Winds Dayton Regional broadcast on FloMarching. The 2023 REBROADCAST: WGI Perc/Winds Dayton Regional broadcast starts on Mar 19, 2023 and runs until Mar 20, 2023. Stream or cast from your desktop, mobile or TV. Now available on Roku, Fire TV, Chromecast and Apple TV.