drones? that's a whole 'nother can of worms but it could work if you really .. really .. really want to be part of the light show.
You could sneak a heap of something like this into any big concert venue pretty easily:
https://www.aliexpress.com/item/1005004496779816.html
open them up and switch out the visible light LEDs for modulated IR ones, add a tiny microcontroller to send pre programmed data. Get you and a dozen friends to launch them all at the same time...