Some vids that are jaw-dropping and unexpected.

Courtney Hadwin:

https://www.youtube.com/watch?v=gPHVLxm8U-0

https://www.youtube.com/watch?v=FxfaOYk4g2U

https://www.youtube.com/watch?v=r93U_wt-rls

https://www.youtube.com/watch?v=2bCG1Aef1fc

Duo Transcend:

https://www.youtube.com/watch?v=2Zd9W59Zt9A

https://www.youtube.com/watch?v=45_rwrlqXLw

https://www.youtube.com/watch?v=dcLw4bawFNM

https://www.youtube.com/watch?v=N8uqv34pf_0

https://www.youtube.com/watch?v=WjtaSges9JU

Voices Of Hope: Children's Choir:

https://www.youtube.com/watch?v=TI__2FnLmmM

https://www.youtube.com/watch?v=UJkxoY8uZ1A

https://www.youtube.com/watch?v=-llYph8vArc

https://www.youtube.com/watch?v=GrJqBj94WHk

And the best for last, Shin Lim: he's the winner and no, he's not a singer, just see it for yourself it's a compilation.

https://www.youtube.com/watch?v=gqJOeBRk2xQ

https://www.youtube.com/watch?v=L5J-nhz4og0

Leave some comments below and tell me what u think.