~If you have a folder on computer 1 that you want computer 2 to have access to, you would go to computer 1 and set that folder to share with anyone connected you your router (trying to avoid the word network for you, lol).
Music affects the levels of alertness and concentration, enhancing your creativity (the right side of your brain). If knowledge is  food for thought , then music is definitely the digestive system that helps your brain proper *digest* that knowledge.
Here are ways on how music can help improve your mood: Music can make you happy. Music can motivate you. Music can reduce your stresses. Music can change your perception. Music can modify your brain waves. Music does not only change your present disposition, it can alter your future mood as well. Even if you turn that iPod off, the music that you just listened to can significantly change your brain waves. That means a positive mood for the hours (even days) to come.