171223 Ailee Her concert: Ailee sang a song today in honor of Jonghyun. Before she sung the last song she said she usually ended her concert with a happy song. But because a dear friend, Jonghyun, left her she would sing a ballad this time. She sang 한걸음 더 (One Step Closer) pic.twitter.com/24RBUZrIzi— 땡규~ (@xKakarot) December 23, 2017