Kim Do Hyun is a renowned producer who has created many hits for not only Lee Hyori but also Psy, Shinhwa, Big Bang, Ga In, Seo In Young, and more. He's also the producer who composed Lee Hyori's greatest hit track "10 Minutes".
According to Sports Chosun, Lee Hyori recently held meetings and is currently in the process of making a new track with Kim Do Hyun. The two are also close friends of the same age.
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Stay tuned for more on Lee Hyori's return.