Asur

And the there says that it's because you might come to fix a musical instrument.

There's also a, in Eruvin, correct me if I'm wrong, it says that you, also if you want to scare away an animal, scaring away an animal on Shabbat by making a noise or something, that's also Asur.

And Yerimav Shaul Lieberman explains that, based on HHS sources, that both of these are From an perspective, both of these are because they are not in the spirit of Shabbat to make a noise.

And he says noise making was a big issue in preventing noise on Shabbat was a big thing in the source of Israel, which is why if something is done, there isn't the same problem of Shavuot.