The name for the company that does sound effects is called Dolby.
I'm too lazy to write this, but I have an idea, classical music isn't boring. There are some songs with cannons in them. Hope that helps :)
The answer is - Absolute music
This might help u with this question :)
<span>String art uses coloured string to make geometric patterns.
</span><span>The first person that used it was by an Englishwoman called Mary Everest Boole (1832 to 1916). She used </span><span>straight lines to make curves
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hope that helps!