Billie Eilish Codexery

Finneas O'Connell

The co-writer and producer behind "Six Feet Under," crafting atmospheric pop from a shared vision.

Finneas O'Connell

Jorge Jaramillo · via Wikipedia: Finneas O'Connell · CC BY-SA 4.0

Finneas O'Connell co-wrote and produced Billie Eilish's early breakthrough track, "Six Feet Under," released in June 2016. While critics described the song as an atmospheric pop ballad with a moderate tempo of 68 beats per minute, the credit belongs to both Finneas and Billie for crafting its sonic identity. He handled production duties alongside Billie's co-writing, establishing the foundation for their collaborative dynamic. The track was published to SoundCloud on June 23, 2016, followed by a commercial release the same day through Drup Music. This early work showcased his ability to create somber, delicate soundscapes that mirrored Billie's vocal range from A3 to D5 in the key of B minor.

Quick Facts

Birth name
Finneas Baird O'Connell
Born
30 July 1997
Birthplace
Los Angeles, California, U.S.
Occupation
  • Singer
  • songwriter
  • musician
  • record producer
  • actor
Years active
2011–present
Spouse
Claudia Sulewski (2026)
Mother
Maggie Baird
Relatives
Billie Eilish (sister), Brian Baird (uncle)

Facts from the source article.

Lore & Background

Finneas O'Connell's role on "Six Feet Under" was collaborative; he co-wrote and produced the entire track alongside Billie Eilish. The song emerged in mid-2016, hitting SoundCloud on June 23 before Drup Music commercially released it for digital download and streaming the same day. Critics noted the instrumentation resembled later works by Lana Del Rey, Låpsley, and Birdy, highlighting Finneas's knack for atmospheric textures. The song's structure relies heavily on silence, which Mike Wass of Idolator described as adding weight to every note as it "drips from the speaker into your brain." In January 2017, this foundational work expanded when an EP featuring remixes by Blu J, Gazzo, Jerry Folk, and Aire Atlantica was released. Dan Regan of Billboard notably favored Jerry Folk's version for its "wall of vocal harmonies," a testament to the track's enduring adaptability under Finneas's original production.

Reader's Guide

To understand Finneas O'Connell's contribution to "Six Feet Under," one must look at the specific technical credits and critical reception that define his work. He is credited with vocals, songwriting, and production on the track, which received praise from Ryan Reed of Rolling Stone as "mournful" and "atmospheric." The sheet music, published by Hal Leonard Music Publishing on Musicnotes.com, confirms the song's moderate tempo and key signature. Fans can explore the remixes released in January 2017 to hear how other artists interpreted his original composition, particularly Jerry Folk's version which emphasized vocal harmonies. The track's commercial success is measurable through its certifications: platinum in four countries (Australia, Brazil, Canada, New Zealand) and gold in two others (USA via RIAA, Mexico via AMPROFON). These numbers validate the production choices made during that specific June 2016 release window.

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