Vertical Slit

Profile:
Late 1970s / early 1980s Columbus, Ohio, trio led by Jim Shepard.

Two other releases, the Slit and Pre-Slit LP and the 1978 Art Data Sampler 7" (credited to Jim Shepard and to James M. Shepard & Friends, respectively) are widely regarded as Vertical Slit works.
Aliases:
Members: