【Collab】 Knock - 열어줘 (Open Up) Vocals Only HD

This is the vocals only version of the collab we did for the last round of a YT survival competition called IDOL101. Check out the full collab with instrumental here! https://www.youtube.com/watch?v=hZc8f7lsIrQ CAST: Cami: https://www.youtube.com/fictioncami Farrah: https://www.youtube.com/user/itsthefarrahmonster Aly: https://www.youtube.com/user/berrycutekinenbi Veri: https://www.youtube.com/user/everidian17 Kim: https://www.youtube.com/channel/UCKuMnVXRq7kO1IBe9M6BS8g Audio & Video Mixing: Veri