Everyone plays a farewell. Parting is always one you can not understand someone egen. At the moment of parting, we always want to hear some say something that could understand us. Why and Why Now natneunji floating catch me if you do not do anything big tears finally looks up. The body dwirohan sadness of parting comes time always do so.'Trail' was difficult to talk about personal love. Many people are looking for ways to convey the emotions of farewell to feel what might have been. And finally it unravels a little personal feelings. Why look at a common scene painted a song We now we no longer do elegant and flowing melodies of the strings, the 'signs' that draws a unique bit sad.[Credit]Produced by signsComposed by gimhongjunLyrics by gimhongjunArranged by gimhongjunVocal & Chorus choesangeon, gimhongjunPiano & String Arranged & Programmed by gimhongjunViolin gimsangeunCello current wisdomMixed by gimhongjunMastered by Shin Jae-min at Planet PillowsArt Directed & Design Bulletin