Theoretical Girls were a pioneering no wave ensemble that emerged from New York's experimental music scene in the late 1970s. Founded by composer Glenn Branca and conceptual artist Jeff Lohn, the group synthesized avant-garde composition with the raw energy of post-punk, creating dissonant, structurally complex soundscapes that challenged conventional song structures. Though their live presence was limited—performing only around 20 shows between 1977 and 1981—their uncompromising artistic vision became influential within underground electronic and experimental music circles.
The band's brief but impactful existence helped define the no wave movement's aesthetic, blending Branca's innovative approach to guitar-based composition with conceptual rigor. Theoretical Girls' experimental ethos contributed to the broader evolution of avant-garde electronic music, influencing subsequent generations of artists working at the intersection of composition, noise, and electronic sound design.