Ginzburg founded Subtext recordings and Tectonic recordings in 2004 with British electronic musician Pinch, both of which were labels integral to the beginnings of dubstep and the subsequent international expansion of the genre. Pinch and Ginzburg’s track »War Dub,« the first release on Tectonic, is generally regarded as a seminal track in the genre.

In 2005 he began collaborating with contemporary art curator Paul Purgas on emptyset, a project which interrogates the boundaries between experimental music and conceptual art. emptyset's work has been presented by a variety of institutions including the David Roberts Art Foundation, Tate Britain, the V&A museum and Zurich Kunsthalle, and they have performed around the world at events such as Unsound and CTM festival. The project's sonic output has been released by Thrill Jockey, raster noton, and Subtext.

Ginzburg’s 2009 and 2010 collaborations and major label remixes for artists such as Example, Basement Jaxx, and Zero 7 with Bristol Based electronic musician Joker under the moniker Ginz went on to critical acclaim, in particular the track »Purple City.« He currently curates Subtext recordings and collaborates with Jennifer Allan on Arc Light Editions, which is a record label that has released music from Arthur Russell, Ingram Marshall, and Joan la Barbara. His most recent solo work include his LP Six Correlations for Subtext, and Bleed Turquoise for Other/other recordings. 

Since 2004 Ginzburg is also director of Multiverse, a publishing company, studio, and network of labels that focuses on experimental and contemporary electronic music in contexts ranging from boutique underground releases to major studio film scores.

• six correlations, by james ginzburg

• six correlations, by james ginzburg