Singer Kim Jong Kook was featured as the guest artist of this week's 'LIVE on UNPLUGGED', treating music listeners to a 1-hour length live show!

On this day, Kim Jong Kook delivered a medley of live performances including legendary Turbo songs, as well as his solo hits, like "Letter", "Star, Wind, Sunshine, and Love", "Forget Me Not", "One Man", "Always Be Here", and more. 

Then, at the end of his 'LIVE on UNPLUGGED' session, Kim Jong Kook invited a special guest onto the stage for his last song, Turbo's "December". The special guest turned out to be ATEEZ's leader Hongjoong, filling in for Turbo member Mikey's parts!

As many of you know, Kim Jong Kook previously worked with ATEEZ for a summer collaboration album, 'Season Songs', and the feel-good title track "Be My Lover". 

Catch Kim Jong Kook and Hongjoong's "December" above, as well as more clips from 'LIVE on UNPLUGGED' below!