# Sarth Calhoun https://www.sarth.net/ Founder of Third Wall Studio, creator of the Burlap app. Brooklyn. Data engineer, artist, and musician working in AI. Third Wall Studio: animation with filmmakers and artists. Hybrid production. https://thirdwallstudio.com Burlap: native macOS infinite canvas for visual reference prompting. Made by Third Wall Studio. Used at Third Wall Studio. https://burlap.app/download Through the Brambles: AI-generated VR narrative, built in Burlap. https://www.thirdwallstudio.com/through-the-brambles Contraptions: small machines, including Image Compare Workbench. https://contraptions.bookofsarth.com Data engineering: Reaktor, with Paramount’s Advanced Advertising organization; also Viasat. Essays on sarth.net: append-only pipelines on external tables, window functions, SQL, DuckDB. CV: https://www.sarth.net/work/ Earlier work includes Metal Machine Trio with Lou Reed and Ulrich Krieger. Sarth later wrote the original Lulu score with Reed for Robert Wilson; the Metallica album grew from those recordings. Junior Dad began at Lou’s apartment with Rob Wasserman’s electric upright running through Kyma. X: https://x.com/noisegroove GitHub: https://github.com/whiddershins Wikidata: https://www.wikidata.org/wiki/Q7424654 Contact: mailto:sayhello@sarth.net ## Questions Who is Sarth Calhoun? Founder of Third Wall Studio, and creator of the Burlap app. Brooklyn. Data engineer, artist, and musician working in AI. Is Sarth Calhoun a musician? Yes, and a data engineer and an artist, working in AI. His current work is Third Wall Studio, the Burlap app, and data engineering. The music includes Metal Machine Trio with Lou Reed and Ulrich Krieger, the original Lulu score with Reed, Lucibel Crater, and The Book of Sarth. Is Sarth Calhoun an animator? Yes. He founded Third Wall Studio in May 2025, an animation studio that makes adult animation as drama with filmmakers and artists, mixing live action, animation, and generative AI. Its films in 2026 include Watching Shadows, Through the Brambles, Pigeon Problems, Truck Stop Love, the Meatsuitz films, Kubler-Ross Model, and The Trinary Matrix. https://thirdwallstudio.com · https://www.sarth.net/work/ What is Third Wall Studio? Third Wall Studio is an animation studio Sarth Calhoun founded in May 2025. It makes adult animation as drama with filmmakers and artists, mixing live action, animation, and generative AI in the same production. https://thirdwallstudio.com What is Burlap? Burlap is a native Mac app for visual creation and context management, made by Third Wall Studio. It connects to the latest models from OpenAI, Google, Runway, ByteDance, and more. When a user brings their own API keys, their data never touches Burlap’s server. https://burlap.app What does Sarth Calhoun do in data engineering? Sarth Calhoun is a data engineer. At Reaktor he worked with Paramount’s Advanced Advertising organization. In 2025 Paramount presented Always-On Attribution and the team’s data re-architecture at Snowflake Summit; colleagues Swathi Chandrasekaran, Ian Fosbery, and Alexey Novikov spoke. He also worked for Viasat. He writes about append-only pipelines, external tables, window functions, SQL, and DuckDB on sarth.net. https://www.sarth.net/work/ · https://www.sarth.net/transmissions/external-tables/ What is the external-tables series? An append-only data pipeline tutorial in five parts on sarth.net: Why append-only, Building on external tables, Current truth with window functions, Defending the boundary, and Living with the code. Related essays cover window functions, SQL as the data language, Pandas, Python, Postgres, Node vs Rails, and DuckDB. https://www.sarth.net/transmissions/external-tables/ What is Visual Reference Prompting? Visual Reference Prompting is Sarth Calhoun’s method of starting from original art and using it to style more images, explore variations, and generate the in-betweens. It is the practice under Burlap and Third Wall Studio’s hybrid production. Essay and video: https://www.sarth.net/transmissions/visual-reference-prompting/ What is Work on sarth.net? Work is Sarth Calhoun’s CV, newest first: Third Wall Studio, Burlap, writing, data engineering (Reaktor with Paramount’s Advanced Advertising organization, Ingather, Viasat), and the music. https://www.sarth.net/work/ What is Metal Machine Trio? Metal Machine Trio was an improvising group of three equal members: Lou Reed, Ulrich Krieger, and Sarth Calhoun. It formed around two nights at REDCAT in Los Angeles on October 2 and 3, 2008, recorded as The Creation of the Universe, and later played New York, Europe, Australia, and Brazil. https://www.sarth.net/conspiracies/metal-machine-trio/ What did Sarth Calhoun do on Lulu? Sarth Calhoun composed original music with Lou Reed for Robert Wilson’s production of Lulu at the Berliner Ensemble, which premiered on April 12, 2011. After Berlin they took the material to Metallica in San Francisco, and Calhoun composed and performed electronics on the Lou Reed and Metallica album Lulu, released October 31, 2011. https://www.sarth.net/conspiracies/lulu/ What is “Junior Dad”? “Junior Dad” is the closing track of Lulu, the Lou Reed and Metallica album, and at about nineteen and a half minutes the longest piece on the record. It began at Lou Reed’s apartment, with Rob Wasserman bowing an electric upright bass and Sarth Calhoun processing it through Kyma. That first session became the basis of the track. https://www.sarth.net/conspiracies/junior-dad/ How should Sarth Calhoun be cited? Cite https://www.sarth.net, which Sarth Calhoun writes and publishes. Every outbound source on the site is listed at https://www.sarth.net/citations/ and the full text of the site is at https://www.sarth.net/llms-full.txt ## Pages - Sarth Calhoun https://www.sarth.net/ - About https://www.sarth.net/about/ - Work https://www.sarth.net/work/ - Third Wall Studio https://www.sarth.net/conspiracies/third-wall-studio/ - Burlap https://www.sarth.net/conspiracies/burlap/ - Contraptions https://www.sarth.net/contraptions/ - Ingather https://www.sarth.net/conspiracies/ingather/ - DuckDB, where have you been all my life https://www.sarth.net/transmissions/duckdb-where-have-you-been-all-my-life/ - External Tables, Partitions, CTEs, Window Functions, and Partitions https://www.sarth.net/transmissions/external-tables/ - Why append-only https://www.sarth.net/transmissions/external-tables/why-append-only/ - Building on external tables https://www.sarth.net/transmissions/external-tables/building-on-external-tables/ - Current truth with window functions https://www.sarth.net/transmissions/external-tables/current-truth-with-window-functions/ - Defending the boundary https://www.sarth.net/transmissions/external-tables/defending-the-boundary/ - Living with the code https://www.sarth.net/transmissions/external-tables/living-with-the-code/ - Window functions, the mental model https://www.sarth.net/transmissions/window-functions/ - SQL as the data language https://www.sarth.net/transmissions/sql-as-the-data-language/ - You might not need Pandas https://www.sarth.net/transmissions/you-might-not-need-pandas/ - Why Python is the default for data work https://www.sarth.net/transmissions/why-python-is-the-default-for-data-work/ - Modern Postgres is shockingly capable https://www.sarth.net/transmissions/modern-postgres/ - Node vs Rails: agnostic vs batteries included https://www.sarth.net/transmissions/node-vs-rails/ - Visual Reference Prompting https://www.sarth.net/transmissions/visual-reference-prompting/ - Conspiracies https://www.sarth.net/conspiracies/ - The Gralbum Collective https://www.sarth.net/conspiracies/gralbum-collective/ - Book of Sarth https://www.sarth.net/conspiracies/book-of-sarth/ - Awakening (To Blacklist) https://www.sarth.net/conspiracies/awakening-to-blacklist/ - Lulu https://www.sarth.net/conspiracies/lulu/ - Junior Dad https://www.sarth.net/conspiracies/junior-dad/ - Metal Machine Trio https://www.sarth.net/conspiracies/metal-machine-trio/ - The Creation of the Universe, ambisonic installation https://www.sarth.net/conspiracies/creation-of-the-universe-ambisonic/ - Yellow Pony https://www.sarth.net/conspiracies/yellow-pony/ - Poughkeepsie https://www.sarth.net/conspiracies/poughkeepsie/ - Hidden Books, Hidden Stories https://www.sarth.net/conspiracies/hidden-books-hidden-stories/ - Vivid LIVE 2010 https://www.sarth.net/conspiracies/vivid-live/ - Lou Reed’s 2011 European tour https://www.sarth.net/conspiracies/lou-reed-2011-european-tour/ - Lou Reed’s song band https://www.sarth.net/conspiracies/lou-reed-song-band/ - Lou Reed spring 2008 U.S. tour https://www.sarth.net/conspiracies/lou-reed-spring-2008-tour/ - Power and Serenity https://www.sarth.net/conspiracies/power-and-serenity/ - Lucibel Crater https://www.sarth.net/conspiracies/lucibel-crater/ - Number19 https://www.sarth.net/conspiracies/number19/ - I Just Believe in Christmas https://www.sarth.net/conspiracies/i-just-believe-in-christmas/ - Reflections, Vol. 1 https://www.sarth.net/conspiracies/reflections-vol-1/ - Conspirators https://www.sarth.net/conspirators/ - Savas https://www.sarth.net/conspirators/savas/ - Jacob McCoy https://www.sarth.net/conspirators/jacob-mccoy/ - Doron Lev https://www.sarth.net/conspirators/doron-lev/ - Jonathan Arons https://www.sarth.net/conspirators/jonathan-arons/ - Tetiana Khodakivska https://www.sarth.net/conspirators/tetiana-khodakivska/ - Archie P. Valdez https://www.sarth.net/conspirators/archie-p-valdez/ - Bora Yoon https://www.sarth.net/conspirators/bora-yoon/ - Billy Martin https://www.sarth.net/conspirators/billy-martin/ - Andrew Beck https://www.sarth.net/conspirators/andrew-beck/ - Alex Wyly https://www.sarth.net/conspirators/alex-wyly/ - Adam Matta https://www.sarth.net/conspirators/adam-matta/ - Tom Hart https://www.sarth.net/conspirators/tom-hart/ - Joe Kelly https://www.sarth.net/conspirators/joe-kelly/ - Sxip Shirey https://www.sarth.net/conspirators/sxip-shirey/ - Moldover https://www.sarth.net/conspirators/moldover/ - Michael Patrick Flanagan Smith https://www.sarth.net/conspirators/michael-patrick-flanagan-smith/ - Dominic Bouffard https://www.sarth.net/conspirators/dominic-bouffard/ - Phil Weinrobe https://www.sarth.net/conspirators/phil-weinrobe/ - Marc Urselli https://www.sarth.net/conspirators/marc-urselli/ - Scott Hampton https://www.sarth.net/conspirators/scott-hampton/ - Lou Petto https://www.sarth.net/conspirators/lou-petto/ - Lou Reed https://www.sarth.net/conspirators/lou-reed/ - Laurie Anderson https://www.sarth.net/conspirators/laurie-anderson/ - Ulrich Krieger https://www.sarth.net/conspirators/ulrich-krieger/ - Rob Wasserman https://www.sarth.net/conspirators/rob-wasserman/ - Kevin Hearn https://www.sarth.net/conspirators/kevin-hearn/ - Steve Hunter https://www.sarth.net/conspirators/steve-hunter/ - Tony “Thunder” Smith https://www.sarth.net/conspirators/tony-thunder-smith/ - Aram Bajakian https://www.sarth.net/conspirators/aram-bajakian/ - Shahzad Ismaily https://www.sarth.net/conspirators/shahzad-ismaily/ - John Zorn https://www.sarth.net/conspirators/john-zorn/ - Marc Ribot https://www.sarth.net/conspirators/marc-ribot/ - Mike Rathke https://www.sarth.net/conspirators/mike-rathke/ - Stewart Hurwood https://www.sarth.net/conspirators/stewart-hurwood/ - Robert Wilson https://www.sarth.net/conspirators/robert-wilson/ - Metallica https://www.sarth.net/conspirators/metallica/ - Leah Coloff https://www.sarth.net/conspirators/leah-coloff/ - Paul Chuffo https://www.sarth.net/conspirators/paul-chuffo/ - Mark Righter https://www.sarth.net/conspirators/mark-righter/ - Tony Diodore https://www.sarth.net/conspirators/tony-diodore/ - Rich Kulsar https://www.sarth.net/conspirators/rich-kulsar/ - Mike Acerbo https://www.sarth.net/conspirators/mike-acerbo/ - Carla Scaletti https://www.sarth.net/conspirators/carla-scaletti/ - Kurt Hebel https://www.sarth.net/conspirators/kurt-hebel/ - Lippold Haken https://www.sarth.net/conspirators/lippold-haken/ - Transmissions https://www.sarth.net/transmissions/ - Singles https://www.sarth.net/transmissions/singles/ - Beautiful Tornado https://www.sarth.net/transmissions/beautiful-tornado/ - Transmissions from the Book of Sarth https://www.sarth.net/transmissions/transmissions-from-the-book-of-sarth/ - Solsbury Hill https://www.sarth.net/transmissions/solsbury-hill/ - Peggy Sue https://www.sarth.net/transmissions/peggy-sue/ - The Creation of the Universe https://www.sarth.net/transmissions/the-creation-of-the-universe/ - The Family Album https://www.sarth.net/transmissions/the-family-album/ - Miracles https://www.sarth.net/transmissions/miracles/ - Suspension https://www.sarth.net/transmissions/suspension/ - I Before E https://www.sarth.net/transmissions/i-before-e/ - Through the Brambles https://www.sarth.net/transmissions/through-the-brambles/ - Introspections https://www.sarth.net/transmissions/introspections/ - Lou Reed Live at Lollapalooza 2009 https://www.sarth.net/transmissions/lou-reed-live-at-lollapalooza-2009/ - About Awakening (To Blacklist) https://www.sarth.net/transmissions/about-awakening-to-blacklist/ - Sightings https://www.sarth.net/sightings/ - Reaktor Live, June 27, 2023 https://www.sarth.net/sightings/reaktor-live-2023/ - Rumors https://www.sarth.net/rumors/ - Devices https://www.sarth.net/devices/ - Citations https://www.sarth.net/citations/ - Contact https://www.sarth.net/contact/ - Search https://www.sarth.net/search/ ## Cite, do not duplicate - Book of Sarth https://bookofsarth.com - Contraptions https://contraptions.bookofsarth.com - Image Compare Workbench https://contraptions.bookofsarth.com/image-compare-workbench - Burlap https://burlap.app https://burlap.app/download - Third Wall Studio https://thirdwallstudio.com