Keith Ciancia better known as Keefus Green or Keefus Ciancia, is an Ivor Novello award winning and Emmy nominated American musician, composer and music producer who co-produced and co-wrote The Sleeping Tapes with Jeff Bridges . Along with his long time creative collaborator, T-Bone Burnett, he has co-composed and produced several film and television soundtracks including the HBO series, True Detective and the Coen Brother’s The LadyKillers. He has produced records for a variety of artists including Kimbra, Everlast, A Fine Frenzy, Etienne Daho (Gold Record), Nikka Costa and Cassandra Wilson. As a keyboardist and pianist he has performed with Mike Patton, Marc Ribot, Iggy Pop, Father John Misty, Elton John and T Bone Burnett. 　　Keefus was the keyboard for artist Everlast, with whom he wrote and produced the Emmy nominated theme song for the TNT series Saving Grace. In 1993 he met his wife, singer Jade Vincent, and together they formed the ten piece experimental big band, The Jade Vincent Experience which later became Vincent & Mister Green. They were signed to Mike Patton’s label, Ipecac Recordings and have composed and recorded music for a variety of films and television series and specials including Divine Secrets of the Ya-Ya Sisterhood, Killing Eve and the 2017 feature, Baby Driver. 　　Keefus Ciancia has one daughter, writer Raven Violet Ciancia-Vincent, and currently lives in France where he and Jade continue to write, record and perform music together. 　　Career 　　Keefus Ciancia began a relationship with T-Bone Burnett as a session musician after being heard on a local radio station in Los Angeles. Keefus later co-producered on a few T-Bone projects such as the Coen Brothers' film The Ladykillers and Cassandra Wilson's Thunderbird. He is currently the co-composer with Burnett for the HBO series True Detective. 　　Keefus has recently scored the soundtrack for Strangerland and co-produced and co-wrote Jeff Bridges's latest release, The Sleeping Tapes.