By focusing on your friend even when their is a loud music this is used to illustrated selective attention.
This is a term that is used to describe a situation where by a person is able to keep focus on one thing at a time.
This is what is being done here. Despite the fact that the distraction is obvious, you are able to just keep focus on the person that is speaking.
Read more on selective attention here:
https://brainly.com/question/4122584
