{1st Album - Flight (비상)} (2001)
:: Forever (영원히)
>> Live Performance (1), (2)
:: Blessings (축복)
>> Live Performance (1)
>> Music Video
:: Kang Sung Hoon, Self Camera
{2nd Album - Kang Sung Hoon Vol.2} (2002)
:: My Girl
>> Live Performance (1), (2)
>> Music Video
:: For me who's without you (네가 없는 날 위해)
>> Live Performance (1)
>> Music Video
{3rd Album - Hoony 03} (2003)
:: Cherishable Story (아껴둔 이야기)
>> Live Performance (1), (2)
>> Music Video
{4th Album - Everlasting} (2004)
:: Unseen salutation (보이지 않는 인사)
>> Live Performance (1), (2)
>> Music Video
:: Some things you undergo when in love (사랑할 때 겪어야 할 일들)
>> Live Performance (1), (2)
>> Music Video
Kim Jae Duc Is Back!!
13 years ago