Hello everyone. I'm Dan from classroom number 31. [clears throat] So before we start today, I want to invite you to join me in a small experiment.Please listen to two pieces of music and think about what kind of image appear in your mind after you listen to them. Now here's the first piece. >> [music] [music] [music] >> And now here's the second one.>> [music] [music] >> Do you feel completely different atmosphere this time. For me, the first piece gave me a kind of feeling of summer scene, while the second ...