Sirens and horns, similar to a Firetruck trying to get through traffic.

All free modules
LFO-VCV
Samuel-Daniel Davies
Bernoulli Gate-Audible Instruments
Spring Reverb-Bifaco
CS-L-Instruo
3Mountains-MMmodules
Audio-VCV

Some phase shifting to fill the room better.
Text in Samuel will output morse code, which is a pretty easy way to get consistently inconsistent horns. Bernoulli help cut down the frequency of the horn, without changing the duration.
Play all you want.
Might be just what you need to end the party.