Reminder: none of the currently available methods of cloud seeding are proven to work.
https://www.wired.com/story/new-gods-weather-rain-cloud-seeding-emirates/
Yes, it all works in theory and in the lab, but in practice we have no idea if cloud seeding “makes it rain” or if it would have rained anyway (to make a long story very short).
So take anything anyone says about “them making it rain” with, like, two grains of salt.
https://www.ndr.de/kultur/buehne/theaterberichte/mecklenburg_vorpommern/Sancta-Oper-in-Schwerin-Spiel-mit-katholischen-Symbolen,sancta102.html
look at this if you wanna know what the opera looks like. The fascinating thing to me is that they apparently put on several shows in Schwerin (predominantly protestsnt town in northern Germany) without much fuss.