Tetrad is the dubstep and bass music project of L.A.-based musician, producer, songwriter, and DJ Cheyne Bush. A lifelong musician, after gaining experience as a youth in punk and metal bands, he turned to electronic music when he started experimenting with music software and hearing artists such as Aphex Twin, Boards of Canada, and Autechre. As he was developing his style, a new influence came from dubstep, in the form of Burial and Shackleton, as well as the early DMZ, Deep Medi, and Chestplate releases. Since creating his alias Tetrad in 2015, he has released a clutch of weighty dubstep tunes digitally and on vinyl on domestic labels like Portland’s vaunted ZamZam Sounds, Bay Area’s Material Sound, and Austin’s bass music mainstay Silent Motion Records; he’s been making a splash internationally as well, releasing digitally with Instigate Recordings and After Dark Music, and on vinyl two 12” records through Bristol's dark dubstep haven Foundation Audio, including one with a collaboration with his brother, Dillon Bush, under his notorious moniker Ahkur, tracks on compilations and remixes for Gourmetbeats, Moonshine Recordings, and Well-Rounded Dubs, and notably, the last sought-after 10” on the sound system white-label imprint Unity Through Sound that includes a collaboration with NZ bass wunderkind Headland. More recently, his collaboration with LA’s heavy-hitter Oxossi was released with the ubiquitous and highly-regarded Deep, Dark, and Dangerous to positive acclaim.