Nexus 21 is a musical group known for their contributions to the electronic music scene, particularly in the late 1980s and early 1990s. They are often associated with the acid house and rave movements, specifically in the UK. The group gained recognition for their innovative sound that blended elements of techno and house music. Nexus 21 is notable for their energetic beats and use of synthesizers, which played a significant role in the evolution of electronic dance music. Their work has influenced many artists in the genre and continues to resonate with fans of electronic music today.