https://post.naver.com/viewer/postView.nhn?volumeNo=4591125&memberNo=1899389
EBS 온에어
http://www.ebs.co.kr/html/onair_tv1.html
Ennio Morricone - Once Upon A Time In The West Theme
https://www.youtube.com/watch?v=i3Q8h-fDfEI
Dulce Pontes - Your Love (Once Upon a Time in the West)
https://www.youtube.com/watch?v=NDOYawXjW8U
[출처 : 오유-영화]