Excision: The Thunderdome is a large-scale electronic music event hosted by DJ Excision, known for its intense bass-heavy sound and over-the-top visual production, typically held at the Tacoma Dome in Washington, where Excision performs multiple nights with a lineup of supporting artists, showcasing a massive visual spectacle with lasers, lights, and pyrotechnics, considered a pinnacle experience for bass music fans; essentially, it's a highly immersive and visually stunning concert experience centered around Excision's heavy bass music.