This unfortunately means that there is not much that can be done about one-off noise, like someone trying to learn to play a trumpet.

It was just a one-off; it won't happen again.

Her idea is: live a life and try not to create any rubbish; use different kinds of ways to save the environment, such as stopping the use of one-off objects; giving unwanted things to others or donating these things to organizations like the Red Cross.