U2 in 1983 at The Bronco Bowl (a bowling alley/theater) in Dallas with a 3,000 seat capacity that wasn't even close to sold out. Bonus that The Alarm opened. To this day, one of my favorite concerts ever.
The Sugarcubes in 1988 at The Roxy in Hollywood for their (and Bjork's) first North American appearance if I remember correctly.
The Smashing Pumpkins in 1991 at The Whiskey A Go Go in Hollywood. Gish had just come out. Hole, Courtney Love's pre-Kurt Cobain band opened. Didn't realize until The Smashing Pumpkins got on stage that I had been talking to James Iha, their guitarist, for m