https://www.youtube.com/watch?v=ES9hM2fgyAA
켈리 클락슨 - Never Enough
https://www.youtube.com/watch?v=jpJ8CbrWX_Y
패닉 앳 더 디스코 - The Greatest Show
https://www.youtube.com/watch?v=TJ9GYswlzsI
핑크 - A Million Dreams
https://www.youtube.com/watch?v=cH3vrx97pgI
핑크 딸래미 - A Million Dreams (Reprise)
비하인드 스토리는 https://m.post.naver.com/viewer/postView.nhn?volumeNo=16890091&memberNo=43200220 요기서 읽어볼 수 있네