Yoon Sang, Yoo Hee Yeol, and Yoon Jong Shin are back together for this year's Christmas carol delivery.

These talented and popular singer songwriters are also good friends with each other, and appeared on KBS 2TV's "Sketchbook" together. They went on the show to deliver a "Christmas Music Gift" to their fans for the holiday season.

Not only that, Lee Juk and his close friend Yoon Joong Wan, main vocalist of Rose Motel, also joined in on the holiday music gift giving, which is rumored to have been a heart-warming performance.

Yoon Sang, Yoo Hee Yeol, Yoon Jong Shin, Lee Juk, Yook Joong Wan, and other musicians of "Sketchbook" actually visited one of the viewers' houses and held a small mini-concert filled with Christmas carols, as a music gift to the fan.

Not only that, they also conducted a survey in the middle of Gangnam, and asked the public "Who is the man you want to spend Christmas with?" They also played games and had lots of fun, putting on a great show for viewers.

This episode of "Yoo Hee Yeol's Sketchbook" will be broadcast on December 21st.