They made music out of nature and the sounds of tree wood banging on another stick of tree wood. Thats how they did music in the past now its digitally.
Answer: When i’m confused about something my eyebrows go down and make a weirdshape but I do pay attention to what my eyebrows do sometimes like when i'mexpressing my feelings they tend to move. I think my eyebrows do contribute tothe emotional communication because whatever i say my eyebrows move.
Explanation:
Yes it's true, but that doesn't last very long. It creates a compression of the molecules during exactly half of each vibe, and during the other half, it leans the other way, and the molecules spread out in what's called a "rarefaction" a region of lower-than-normal pressure. This 'train' of compressions and rarefactions is what travels through the air, away from the vibrating object, and it's what some people often call a "sound wave".
I believe the answer will be the medieval period