THE UNWANTED

artist: THE UNWANTED (London, ENGLAND)
venue: Vortex
location: London, ENGLAND
date: 12 September 1977
length: 27 minutes

HERE
This one's been passed around a lot over the years, and two (?) of the blokes later formed PSYCHEDELIC FURS. So there's that...

KING CRIMSON

artist: KING CRIMSON (London, ENGLAND)
venue: (various)
location: Zurich, SWITZERLAND // Pittsburgh, Pennsylvania // State College, Pennsylvania
date: 1973 // 1979 // 1974
length: 82 minutes

HERE
Three sets, as the post suggests. Literally found this tape in the basement, leftover from a landlord's youth.  

PLAID RETINA

 artist: PLAID RETINA (Visalia, California, USA)
venue: ??
location: ??
date: ??
length: 37 minutes

HERE
Probably recorded in the early 1990s. Definitely recorded by my landlord.  

PRIMORDIAL UNDERMIND

artist: PRIMORDIAL UNDERMIND (Los Angeles, California, USA >> Vienna, AUSTRIA)

venue: Common Ground

location: Brattleboro, Vermont, USA

date: 06 August 2003

length: 48 minutes

HERE

9353

 artist: 9353 (Washington, DC, USA)

venue: 9:30 Club

location: Washington, DC, USA

date: 04 July 1985

length: 68 minutes

HERE

THE McTELLS

artist: THE McTELLS (Hartford, Cheshire, ENGLAND)
venue: Bowes Lyon House
location: Stevenage, Hertfordshire, ENGLAND
date: 05 July 1988
length: 26 minutes

HERE

LUNACHICKS

artist: LUNACHICKS (New York City, New York, USA)
venue: CBGB's
location: New York City, New York, USA
date: 07 May 1991
length: 38 minutes

HERE
Introduction by Dick Montana and Joey Ramone, if you're into that sort of thing.