Monster Energy presents Kastle with BB Mars November 4, 2017. Want to open the show and flex our custom PK Sound system? This is your chance. Submit one mix by Noon MST, October 30 for your chance to play the 9 – 10:30 slot AND get three friends into the show. You and your friends must be 18+ and have valid government-issued photo ID. The Hifi Club is not responsible for transportation. The winner will be contacted BY EMAIL no later than November 2. Good luck!