https://www.youtube.com/watch?v=_p63lvKH2KM
Teenage Dream
https://www.youtube.com/watch?v=ePQe5E69INg
The One That Got Away
https://www.youtube.com/watch?v=XjwZAa2EjKA
Unconditionally
Firework는 명예졸업급이라서 일부러 안 넣음
https://www.youtube.com/watch?v=_p63lvKH2KM
Teenage Dream
https://www.youtube.com/watch?v=ePQe5E69INg
The One That Got Away
https://www.youtube.com/watch?v=XjwZAa2EjKA
Unconditionally
Firework는 명예졸업급이라서 일부러 안 넣음