Research with a visible trail.
Editorial background comes from historical listings, local tourism material, Oklahoma State University pages, and openly licensed photographs.
Diamond Stone / Tahlequah tourism material documents Diamondhead Resort as the festival’s home from 2013 through 2019. Concert Archives provides historical event and lineup records.
Official Oklahoma State University pages describe the Spirit Rider, Bullet, university traditions, and Cowboy Marching Band customs.
Images are loaded from Wikimedia Commons: Illinois River Oklahoma (public domain, U.S. Army Corps of Engineers); Boone Pickens Stadium 21 (public domain, Jibran1); Boone Pickens Stadium – Night (CC BY-SA 4.0, XStewart2007); Austin City Limits crowd (CC BY 2.0); Tent at sunset (public-domain mark, BLM Utah); Oklahoma sunset (CC BY 2.0, Jack Gray). Images may be cropped by CSS.