Chicago Underground Quartet is the debut album by the jazz ensemble of the same name, featuring trumpeter Rob Mazurek, guitarist Jeff Parker, bassist Noel Kupersmith, and drummer Chad Taylor.

"[1] Mark Richardson of Pitchfork stated: "The Chicago Underground Quartet know how to integrate technology into their distinctive jazz sound.

"[4] Writing for All About Jazz, Mark Corroto commented: "The band has fully realized their concepts of modernism in the form of free jazz meet electronics and minimalism... Like the former fellow Chicago residents known as Sun Ra's Arkestra, the Chicago Underground Quartet are taking their musical performance to another level, beyond the expectations of their own generation.

"[5] Another AAJ reviewer remarked: "The most exciting moments on Chicago Underground Quartet lie at the intersection between different musical territories, which the group self-confidently treats as a fluid continuum... Each tune on this record... is a composition in the formal sense.

"[6] In an article for My City Paper, Nate Chinen noted: "Chicago Underground Quartet manages to emulate both the intelligent chaos of the AACM and the spooky minimalism of Brian Eno... Post-jazz?