Taeyeon
The singer had previously rejected the offer to sing the song due to the short time she had due to the schedule with Girls' Generation. However, she made a promise to the musical director, Lee Pil-ho, who would collaborate again after working with him on the soundtrack of Beethoven Virus. He stated that he had not considered anyone other than Taeyeon to sing the song. The song was finally chosen as the most popular soundtrack of the year in 2012 Seoul Drama Awards. In the same year, another song, "Closer", for the SBS drama, To The Beautiful You was ranked number seven on several lists.