Toxic Winter brings heavy bass and electronic music to San Francisco, California on February 14-15, 2026, featuring a lineup of 30 dubstep and bass artists. The festival showcases prominent acts including Hesh, Warlord, Mythm, and RZRKT alongside rising talents like Akeos, Codd Dubz, and Mad Dubz. This Valentine's weekend event focuses on bass-heavy electronic music, dubstep, and alternative sounds with artists primarily from the United States underground scene. Electronic music fans can expect two days of intense dubstep and bass performances across multiple stages in San Francisco.