Han Dong Geun appeared on the show with Kim Yeon Woo for a duet stage. And during the talk, Kim Yeon Woo complimented Han Dong Geun, saying, "He has become a singer who turns his passion and motivation into songs."

Then the talk about Han Dong Geun's rise in popularity followed, and the singer himself agreed and said, "I go to a lot of events too." To this, Ock Joo Hyun commented, "For an event, I had to sing a duet with a male singer and I wanted to do it with Han Dong Geun but I was told no, because he was too busy." 

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Han Dong Geun, startled by Ock Joo Hyun's story, quickly replied, "That's probably when I was [busy] doing 'Duet Song Festival'."