There is no mention of background sounds, of which there are plenty in large metropolitan areas. All this leads only to headaches, growing irritability and fatigue. What can I say, if even our pets get tired of extra noise.
We are talking about sound interaction with the environment, like talking to a TV or simply listening to music. By the way, the latter is the best way to prepare for an operation or prepare for an exam, which is a scientific fact. However, today it is better to abandon the headphones.
But why precisely July 18? The holiday was decided to coincide with the birthday of Canadian Raymond Murray Shafer, who founded such a thing as acoustic ecology, the essence of which lies in the relationship between living organisms and the environment.