Sweetwater 420 Fest returns to Atlanta, Georgia on April 17-18, 2026, featuring headliners Umphrey's McGee and Thievery Corporation alongside notable acts Chromeo and Watchhouse. This two-day music festival showcases a diverse lineup spanning rock, funk, pop, soul, and alternative hip hop genres with 11 total artists. The festival brings together performers from the United States, Canada, United Kingdom, and Cuba, offering music fans in Atlanta a weekend of eclectic sounds and established acts across multiple genres.