"BN9Drone" is an experimental album by the British electronic music group Cabaret Voltaire, released in April 2021. The album marks a return to the group's roots in industrial and avant-garde music after a lengthy hiatus. "BN9Drone" consists of a single 58-minute track that immerses listeners in a hypnotic and atmospheric sonic landscape. The album is characterized by pulsating rhythms, electronic textures, and minimalist compositions, creating a sense of tension and suspense throughout. Cabaret Voltaire's use of electronic manipulation and sampling techniques adds layers of complexity to the sound, resulting in a mesmerizing listening experience. "BN9Drone" showcases the group's continued experimentation with sound and their ability to push the boundaries of electronic music. While not as commercially accessible as some of their earlier work, the album received positive reviews from critics, who praised its innovative approach and immersive atmosphere. Overall, "BN9Drone" stands as a testament to Cabaret Voltaire's enduring influence in the electronic music genre.