Joy o'clock - 우리라는 계절 (Our Season)
Joy o'clock - 아이야 (Aiya) (YongHyun Of Joy o'clock)
Joy o'clock - 돌아올거야 (I'll Be Back) (OST Flower of the Queen Part.4)
Joy o'clock - 그때의 너를 떠올려 (Memories Of You)
Joy o'clock - 이 밤이 지나고 내일 널 데리러 갈게 (After Tonight)
Joy o'clock - 내 생에 봄날 같던 (You were my spring)
Joy o'clock - 난 니가 꿈이었는데 (You Were In My Dream)
Joy o'clock - They'll Come Back (OST The Queen's Flower Part.4)
Joy O'clock - When Winter Comes