The form of singing is linked to the form of social life, says the ethnomusicologist. Small-scale hunter-gatherers are less likely to sing together, and those who need united actions, such as fighting against other ethnic groups or hunting large prey, practice keeping time with songs and dances on a daily basis. He also says that “complicated” and “individual” music is born for the first time in a society in which people are hedged around with authority or rules. From "The Root Of Music."
"March 29 2019
from “Oriori no Kotoba” by Kiyokazu Washida, The Asahi Shimbun"