Answer:
The earliest fragment of musical notation is found on a 4,000-year-old Sumerian clay tablet, which includes instructions and tunings for a hymn honoring the ruler Lipit-Ishtar. But for the title of oldest extant song, most historians point to “Hurrian Hymn No.
Explanation:
I assume they get anxious when talking to large groups. My suggestion is to find a fix point to look at that’s behind the audience
It can be used to create many different types of art that we weren't able to in the past. It'll also be used to interact with many different people in the world. I don't know if this is the answer you're looking for though.