Dynamic Duo and Park Jung Hyun (also known as Lena Park) released their new collaboration single, SsSs.

The surprise release of their single "SsSs" combines Dynamic Duo's hip-hop style and "diva fairy" Park Jung Hyun's unique color of voice.  This song expresses the many feelings that the year-end can bring.

The news of Dynamic Duo and Park Jung Hyun's collaboration brought great anticipation to their fans:  
"I can't wait for the perfect combination!" 
"Dynamic Duo and Park Jung Hyun is already saying what my heart wants... empathy, before even listening."

Dynamic Duo and Park Jung Hyun's "SsSs" can also be heard at their concert: "2014 Dynamic Duo + Park Jung Hyun Concert, That Year, Winter." This concert will be held December 20 through December 25 at the Jamsil Indoor Stadium in Seoul.  The annual showcase of great synergy "That Year, Winter" will be featuring Dynamic Duo and Park Jung Hyun and is expected to be more abundant than any other events that they have held together.

Meanwhile, Dynamic Duo and Park Jung Hyun's "SsSs" will be released on various music websites by December 6.