What is SEMA Fest? SEMA Fest is where the adrenaline of automotive culture meets the energy of world-class live music. Held at the iconic Las Vegas Convention Center, this one-of-a-kind event blends the excitement of the SEMA Show with performances by some of the biggest names in music. It's an epic celebration built for music lovers and car enthusiasts alike — a bucket-list experience that brings together roaring engines, stunning builds, and unforgettable live performances all in one electrifying night!