How Does Music Affect Your Actions, Mood, And Balls To Do Crazy Stuff?

Well whenever I listen to music, depending on the type and feel, I conform to the mood of the music. When I'm skating, and I'm listening to music, I find that it's easier to try difficult stuff. What exactly goes on the in brain that affects the rest of you? With the skating, is just that you're paying some attention to your music, so you're not as aware of how dangerous your tricks are? If you can, could you explain the parts of the brain that are affected, what goes on, and how the body reacts?