I like to listen to=  listening to the 'Melon chart' because it contains various songs=  a variety of that are popular nowadays.
I like to listen to those songs because famous= popular songs are likely to be good songs, and good songs make me calm and cozy inside.= feel calm and cozy.
So I like to listen to 'Melon chart' when I have free time.

Evaluation: Your writing is clear and easy to understand. Be careful with word choice and natural expressions, such as using "popular songs" instead of "famous songs." However, you did a good job explaining your reasons and organizing your ideas. Great job, Kevin!