The cicada recordings I heard were steady loud buzzing | clicking white noise with an underlying pulse.

I can imagine that getting annoying.

Volume wise, it seems decibels below daily flocks of thousands of Sulpher Crested Cockatoos rap battling flocks of Corellas which we get in this part (any parts) of Australia.

For interest: Individual Australian parrot calls https://www.youtube.com/watch?v=EF8Nr_as0CI

Now, multiply by a thousand and put them in trees outside your house.