131224 f(x) & EXO’s D.O. - Goodbye Summer (SMTown Week - Screener Edit)

f(x) & EXO (D.O.) performing Goodbye Summer at the Christmas Wonderland concert (SMTown Week - 131224). Dubbed/mixed audio and cropped/stabilized video. Original screener video: Edited By: CJMCH Tumblr: DISCLAIMER: I do not own the video(s) nor the song(s) used here, this is for promotional and entertainment purposes only. No copyright infringement intended.