Korean Homework
listen to these as much as possible
http://www.youtube.com/watch?v=4KnM-JG6MXQ&feature=related
http://www.youtube.com/watch?v=zY50HdWAAJY
http://www.youtube.com/watch?v=8MgexWZrns8&feature=related
http://www.youtube.com/watch?v=xB DESEBLIg&feature=related