Why would some people like having music as their art in school?

I don't think anyone could give you a precise reason. The reasons probably differ from person to person.

Someone likes the sounds of a particular instrument.
Someone likes the measured notes -- finding it similar to math.
Someone simply likes it and cannot explain it.
Etc.

Ask yourself why someone would like painting ... or ceramics ... or metal sculpture. You'll probably get as many answers as there are people!

I think that they will like painting or ceramics cause there are many people which like to create stuffs and paints.Just like in Music class like all of my friends wanted.

its just like a hobby. Some people like it some don't.

Some people enjoy having music as their art in school for various reasons. Music is a unique art form that allows individuals to express themselves through sounds and rhythms. Here are a few reasons why some people may prefer music as their art in school:

1. Emotional expression: Music has the power to evoke emotions and allow individuals to express their feelings in a creative way. Some people find it easier to convey their emotions through music rather than traditional visual arts.

2. Personal connection: Many individuals have a personal connection to music, whether it's through a specific genre, artist, or a favorite song. Choosing music as their form of art allows them to explore and deepen their connection to something they already love.

3. Playability and performance: Music offers opportunities for individuals to actively engage in performance. Those who enjoy playing an instrument or singing find satisfaction in practicing, perfecting their skills, and performing in front of others.

4. Collaborative nature: Music often involves collaboration and teamwork, whether it's playing in a band, singing in a choir, or participating in an ensemble. Some people thrive in group settings and enjoy the social aspect of working together to create music.

To explore and understand why specific individuals like having music as their art in school, it's best to ask them directly. Everyone has their own unique reasons and preferences when it comes to choosing music as their artistic medium.