In the late 1990s, Noah23 started the record label Plague Language with producer Orphan (real name Kingston Maguire, who went on to become one half of production duo Blue Sky Black Death).

[8] In the early 2000s the Plague Language label released music from artists such as Baracuda,[9] Livestock,[10] Orko the Sycotik Alien,[11] Penny,[12] The Main,[13] and Madadam.

?, Sole, Jim Guthrie,[19] Myka 9, Ceschi, Awol One, Liz Powell of Land of Talk, Ghettosocks, Kingpin Skinny Pimp, Gregory Pepper,[20] and Buck 65.

[21] He has performed with Kool Keith, Busdriver, Subtitle, Islands, Matisyahu,[22] and many more, including Astronautalis, Clouddead, Eternia, Grand Buffet, Radioinactive, The Constantines, Plastic Little, Modulok, TheSaurus, Shabba D, DJ Scientist, Krinjah, Shad, and Swollen Members.

[28] On May 23, he released the collaborative album Lotus Deities,[29] which features an array of guest appearances, and includes a remix of "Comin' Home" by City and Colour.

[40][41] Noah23's lyrical style has been described as "a mix of biological terms, technological expressions, esoteric topics, scientific fractions and traditional 'rap writing'", the repetitive use of which is intended "to weave and enlarge a meta-layered web of correlative links and references".

He is influenced by the theory of memetics, which he describes as "the study of ideas and language as replicating biological entities that live in the host organism which is the mind".