Description: Free rock show March 7 at LOUD BURGER in Grand Terrace featuring Hellvis, Subsurface Tension, and SINFECTED. Enjoy handcrafted burgers, specialty milkshakes, and a full bar. Every guest gets a free raffle ticket for prizes including a Derek Riggs–signed Iron Maiden “Killers” denim jacket, a cozy Killers blanket + socks bundle, and a Sea Foam Green Fender Squier Stratocaster guitar. The first 20 people who complete the Iron Maiden “heavy homework” trivia sheet, earn a Subsurface Bag of Chaos. Doors at 8:30 PM, show at 9:00. Location: 22497 Barton Road, Grand Terrace. Free entry.