Expires Mar 25, 2018. You must be age 21 or older to attend. NO t-shirts, sweatshirts, hoodies, sports jerseys, sneakers, work boots, athletic wear, sandals, flip-flops, baseball caps or hats. Jeans ok. ALL SALES FINAL. Groupon promo codes may not be used for this offer. Discount reflects current ticket prices, which may change. Ticket value includes all fees. Holder assumes all risk in connection with the event and releases Groupon, Goldstar, the venue and their affiliates from any related claims. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.