1. 아이디어는 어디서 오는가: https://youtu.be/WdZBgynETMU
2. 우리는 누구를 응원하는가
1)곽동현vs이동신 '카루소' 연습과정: http://tv.jtbc.joins.com/clip/pr10010427/pm10037055/vo10125589/view
2)이동신 'Nessun Dorma' http://tv.jtbc.joins.com/clip/pr10010427/pm10037055/vo10123933/view
3) 곽동현vs이동신 '카루소' http://tv.jtbc.joins.com/clip/pr10010427/pm10037055/vo10125607/view
4) 권화평 vs 소코 '꼭 안아줄래요' http://tv.jtbc.joins.com/clip/pr10011123/pm10057919/vo10368117/view
[동요 원곡] 송유진 '꼭 안아줄래요' [위키드]: https://youtu.be/FhSgtdb-rZg
노래만:https://youtu.be/iOeKeIQLrM0
[참고] 손태진+곽동현+이동신+윤소호 'Halo' https://tv.jtbc.joins.com/clip/pr10010427/pm10037055/vo10131141/view
[참고] 올스타 전에서(박상돈+곽동현+이동신+김현수) 다시 ‘너에게’ https://vod.jtbc.joins.com/player/clip/vo10470632
[참고] 유슬기+백인태+박상돈+곽동현 'I surrender' https://tv.jtbc.joins.com/clip/pr10010427/pm10037055/vo10130432/view
5) 버스커버스커 vs 투개월 (슈퍼스타K3) : https://youtu.be/fhi9dwVfKg0