Seulong's former duet partner IU will be featuring as a guest at his first solo concert!

Back in 2010, Seulong and IU released the hit collaboration track "Nagging". The two singers will be on stage together again at Seulong's first solo concert. Along with IU, fellow 2AM members, Jo Kwon and Jinwoon, were also confirmed to make a special appearance at the upcoming event.  

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'The Moment of Seulong' is being held at Understage on December 9.