The venue reserves the right to implement security procedures designed to protect the experience for all of our customers. AGE 21+ ADMISSION ONLY Horseshoe Casino presents Gary Allan on Friday, September 18. With the allure of a modern day outlaw, Gary Allan has won over fans, peers and critics with his signature blend of smoldering vocals, rebellious lyrics and raucous live performances. While becoming a force on the country music scene, Allan has remained true to his artistic voice each step of the way. Secure your tickets now!!!