The Chemical Brothers are a British electronic music duo formed in 1989, consisting of Tom Rowlands and Ed Simons. They are known for their innovative blend of big beat, house, and techno music, which helped popularize electronic dance music in the 1990s. Their energetic live performances often feature visual effects and collaborations with various artists. The duo gained international fame with hits like "Block Rockin' Beats" and "Hey Boy Hey Girl." They have released several successful albums, earning multiple Grammy Awards and a dedicated fan base. The Chemical Brothers continue to influence the electronic music scene today.