I am waiting for a student to post video of her ....
Absolutely! with bated breath!
At that time, there were no “videos” on every cell phone, nor the attitude of recording on them for publication..
Hand-held film cameras? Some. But being recorded on film wasn’t “cool” nor trendy for teens - that was something their parents and grandparents did on holidays.
The richer neighborhoods around DC would be near certain to even have a few Beta-VHS cameras at the time. (The VHS/Beta wars ramped up after 1975.)