參考了：
All over the world people listen to classical music.Classical music is difficult to describe.It means different things to different people.
Some famous classical composers were Bach,Vivaldi,Haydn and Mozart.In their music,they did not tell a story or show strong emotions.They wanted to make beautiful and interesting music with lovely sounds.
Then composers started to express ideas.They told stories about love and war.They also wrote about religion.Sometimes they composed music for holidays.Through their music composers showed strong emotions.Some of these composers were Beethoven,Schumann,Chopin,Mendelssohn,Wagner and Tchaikovsky.
Classical music has been popular for hundreds of years.Bach wrote about 300 years ago.Beethoven wrote about 200 years ago.And Tchaikovsky wrote over 100 years ago.
Sometimes people close their eyes while listening to classical music.It is difficult to understand sometimes.When they close their eyes they have to think about the music.