Heejun said, "If I did a duet with one woman in my life, I decided that it had to be with one of the Girls' Generation members. Just the fact that a Girls' Generation member's name is written in front of mine is a huge honor."
Tiffany added, "You succeeded really quickly."
Sunny asked, "If Tiffany had said she wouldn't do the duet, did you have a Plan B?"
Heejun replied, "I did. To be honest, Plan B was a member in Girls' Generation again. It was Taeyeon."
Sunny cutely showed her jealously by saying, "You're close with me, are you really going to be like this?"
Heejun said, "It was originally Sunny but you had already released 'Heart Throbbing'.
Tiffany shared, "I was told that this song was custom made for me. Composers Shinsadong Tiger and Polar Bear said so. I was happy when they told me that."
She added, "Honestly, there aren't many times when Girls' Generation is able to work with the domestic composers. That's why this song was that much more meaningful and fun."
They also said, "If you just hear the names of the composers, people might think it's a zoo. There's a tiger and a bear," they said as they laughed.
SEE ALSO: TAEYEON releases live clip for 'Letter To Myself'
Heejun sure has good taste in picking duet partners! Do you agree Tiffany's vocals fit best in the "QnA" duet with Heejun?
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