Ha Hyun Gon Factory - 펑펑 울었어 (Feat. Chaewon OF APRIL)
Ha Hyun Gon Factory - Sad Feeling (OST The Shining Eun Soo)
Ha Hyun Gon Factory - 별 지나고 태양 (The Sun Passing By Stars)
Ha Hyun Gon Factory - 11월 이맘때... (This Time of November)
Ha Hyun Gon Factory - 약속 (Promise)
Ha Hyun Gon Factory - 널 믿지 못해 (I Can't Believe You)
Ha Hyun Gon Factory - Trip (feat. Kim Tae Hyun Of Dickpunks)
Ha Hyun Gon Factory - Spring time
Ha Hyun Gon Factory - Feeling (Acoustic Ver.)
Ha Hyun Gon Factory - Blue bird (Acoustic Ver.)