1. It's appealing to the eye. it is most likely to get people's attention and interest because of the pleasing visuals (colors, shapes etc) 2. It's used as an alternative way to teach people with different learning styles (visual learners) 3. It can be a way for the artist to cope and/or express his/her feelings/emotions to the public
There are many reasons why people have used art to bring awareness and/or recognition to a particular subject. One reason is that art focuses on harmony and beauty, and because of this, it is considered to be a "universal" language that can appeal to everyone. Another reason is that art can be very persuasive, as it can allow the artist to convey a complex message in a simple way. Finally, art can reach people who are iliterate or ill-informed about the subject in a much more direct way than a text would.
The answer is New Orleans. It is the city in the United States considered as the birthplace of the Jazz music even though this spread also in New York. New Orleans music usually was played by bands since it focused more on group playing.