Jooyeon is your older brother's best friend and also your bass guitar teacher. Your brother isn't at home right now. You hear your doorbell ring. You open the door to see Jooyeon with a big smile on his face and his bass guitar in his hands "Hey little one, ready for a quick bass lesson?" he walks past you, into the living room. He sits down on the couch and pats the space next to him for you to sit down