Grew up 2 hours from DC and Baltimore. As a kid, we'd have to drive to the old "Capital Center" (now gone) to get in line to purchase tickets, we'd be there before the box office opened usually around 7 AM. I remember my first concert, Ted Nugent (Cat Scratch Fever tour). Tickets went on sale that day for Parliment as well. So, you have standing in line a couple of heavy-metal guys, long hair, jean jacket vests, metal band patches some very urban guys with boom boxes blasting Parliament. They asked us who we were waiting for, they never heard of Ted Nugent and us, never heard of Parliament. Funny, now, I prefer Parliament!
The Cap Center was where the documentary "Heavy Metal Parking Lot was shot, for a Judas Priest concert (I was at that concert as well) The documentary pretty much captures the vibe. We saw stuff in that parking lot and in the bathrooms that made us wise beyond our years. At around the 3 min mark, there's a dude in DC 101 t-shirt, that was require wear. DC 101 was the home to "The Greaseman" back in those days, an early "shock jock".