f(X)'s Luna and actor Song Chang Ui sang a duet together on 'Open Concert' this week.
The two individuals sang a soundtrack from the musical 'Rebecca'. The performance was captivating and surely impressed everyone in attendance. The two strong voices bounced off each other to create a wonderful performance for the crowd and the viewers alike. It looked as if both completely engaged and focused on the song as if it was the musical itself.
Check out the performance below.
SEE ALSO: f(x)'s Luna sings 'Could You Tell Me' for 'The King Loves' OST Part 5