Dalshabet's Subin and FT Island's Lee Hongki collaborate and do a rock version of Dalshabet's 'Joker'.

Accompanied with an electric guitar, Subin and Hongki sing smoothly and harmonize flawlessly with their amazing vocals. The upbeat and sexy song become more emotional and sensitive with its new beat.

The two did a great job that even fans are demanding a live version. Listen below: