Zach Robinson & Leo Birenberg

Click below to watch Secrets of the Score #017: Zach Robinson & Leo Birenberg | Cobra Kai


Watch the first season of Cobra Kai.




Zach Robinson is an LA based composer, music producer, and electronic musician. Most recently, he co-composed the score for YouTube Red's mega-hit series Cobra Kai, which takes place in the Karate Kid universe thirty-four years after the original film and stars Ralph Macchio and William Zabka reprising their original roles.

Previously, Zach co-composed and oversaw all music production for YouTube Red's first developed sitcom, Sing It!, created by YouTube superstars, Benny and Rafi fine. He again collaborated with the Fine Bros for 2017's feature film, F The Prom. Zach's other scores include the horror-comedy Bad Exorcist, racing documentary The 200 MPH Club, and the western short Born Again Sinner. He also wrote the theme song for USA Network's NFL Football Fanatic.

After receiving his degree in music composition from Northwestern University, Zach cut his teeth working with acclaimed film composer, Christophe Beck, writing additional music for films such as Ant-Man, Edge of Tomorrow, Frozen, Hot Pursuit, Sisters, and The Peanuts Movie.

In parallel to his composing career, Zach creates 1980's inspired electronic music under the pseudonym D/A/D. His most recent album, The Construct, was named one of the best cassette releases of 2013 by NPR and received critical acclaim from numerous online publications. His video for "Orion Beach" premiered on NPR's "All Songs Considered" and is a Vimeo staff pick.




Leo Birenberg has catapulted to the forefront of TV and film music, one of the industry’s youngest and most sought-after composers. Currently, Leo’s music is featured in Fox’s celebrated hybrid animation series Son of Zorn.  Working across a variety of genres and platforms, he has scored Seeso’s Take My Wife, Comedy Central’s Big Time in Hollywood, FL , and the critically acclaimed documentary Red Army.

Leo has also been a frequent collaborator of composer Christophe Beck, working as a writer, arranger, and producer and has contributed additional music to a number of films, including FrozenEdge of TomorrowAnt-Man, and The Peanuts Movie.

Kentucky-born and Chicago-raised, Leo spent his childhood making movies and playing music, eventually combining the two by studying composition at NYU and USC. Originally a woodwind player and vocalist, Leo’s musical background is diverse, with influences from classical, jazz, bluegrass, show tunes, rock, world and electronic music.