Live Attackbr Dia Tree (A Long Day)br This is a heart-wrenching ballad song about missing one's ex, and the br br soulful vocals of Dia Tree stand out.br br Dia Tree (To Live (Original artist: NOEL))br This is a soundtrack of the 2012 drama "Padam Padam," and it was br br widely loved because of NOEL's heartfelt vocals.