As covered previously, Hyun Jin Ryu and Cube Entertainment would be teaming up to work for his charity, which is a great thing.
The only problem was that he would be singing. Thankfully, they seem to have auto-tuned the human out of his voice as he did the chorus sing-a-long. Unfortunately, they did not let him rap.
A little late for Thanksgiving, but I am thankful for his struggle face:
Gotta hit dem high notes.