Okay kiddo, do you know what nuclear weapons are? They are really big bombs that can destroy whole cities and hurt a lot of people. Some people think that these weapons are very dangerous and can cause a lot of problems for everyone.
So, some very talented and famous people, like singers, actors, and artists, want everyone to know about these weapons and they want the world to be peaceful without them. They use their talents and skills to speak out against nuclear weapons and to try and make sure that people understand how bad they can be.
These performers and artists for nuclear disarmament also create music, paintings, and other art forms that show the dangers of having nuclear weapons. They want everyone to be aware of the dangers and to work together to make sure that we live in a safe and peaceful world.