Cosmologic was a cooperative avant-jazz quartet from California that was composed of saxophonist Jason Robinson, trombonist Michael Dessen, percussionist Nathan Hubbard, and bassist Scott Walton.

[1] Their album III was described by Scott Yanow as containing "sound explorations, meandering ballad sections, and intense group improvising based on original themes".

[2] The All About Jazz reviewer of Eyes in the Back of My Head, released by Cuneiform Records in 2008, wrote: "Cosmologic does not let the written note be the guiding light.

[3] The AllMusic reviewer wrote of the band's "sound that ranges from free bop to relaxed associative and written music tailored to blur bar lines and conventional phrasings".

[4] The Washington Post reviewer wrote: "For all the improvised and willfully discordant music this 10-year old West Coast quartet is capable of producing, and reveling in, Cosmologic produces a sound so rich in mood-shifting maneuvers and sophisticated interplay that it defies labeling.