Music plays an important role in our lives and can benefit both individuals and society. It can help workers feel less stressed and more productive. A clothing factory had banned music during work hours due to complaints that it distracted employees. However, when the workers were allowed to play music again, they said it actually helped them work harder and improved morale. Presentations should be organized using the "rule of threes" structure, focusing on three main points or examples to help the audience understand and remember the key ideas.