Haneulnunmul (inst.) (Instrumental)
Album: HaneulnunmulTo Mr. Personality
Album: Hal mal-i neomu manh-ayoSad Love
Album: Hal mal-i neomu manh-ayoSomething To Tell You (inst.) (Instrumental)
Album: Hal mal-i neomu manh-ayoComfort
Album: Hal mal-i neomu manh-ayoFor My Wife
Album: Hal mal-i neomu manh-ayoSomething To Tell You
Album: Hal mal-i neomu manh-ayoFor My Husband
Album: Hal mal-i neomu manh-ayoFor the Name of Wife
Album: Hal mal-i neomu manh-ayoI Love Hoya
Album: Hal mal-i neomu manh-ayoMy Angel
Album: Hal mal-i neomu manh-ayoDon't Go Away (Piano Prologue)
Album: Hal mal-i neomu manh-ayoBeing Happy
Album: Hal mal-i neomu manh-ayoPeace
Album: Nagat-eun geon eobsneun geongayoDon't Go Away
Album: Nagat-eun geon eobsneun geongayoDon't go away (Remix) (Remix Ver.)
Album: Nagat-eun geon eobsneun geongayoSadness
Album: Nagat-eun geon eobsneun geongayoDon't go away (Violin Ver.)
Album: Nagat-eun geon eobsneun geongayoTears In My Eyes
Album: Nagat-eun geon eobsneun geongayoLove Letter
Album: Nagat-eun geon eobsneun geongayoLOVE IS...
Album: Nagat-eun geon eobsneun geongayoDon't go away (inst.) (Instrumental)
Album: Nagat-eun geon eobsneun geongayoBird
Album: Nagat-eun geon eobsneun geongayoGet Away
Album: Nagat-eun geon eobsneun geongayoCome back, again
Album: Nagat-eun geon eobsneun geongayoStay With You
Album: Nagat-eun geon eobsneun geongayoRainy Day(Feat. Chu Ga Yeoul)
Album: 04 SUMMER VACATION IN SMTOWNEdelwise
Album: RAINBOW - The 4th AlbumHOPE
Album: RAINBOW - The 4th AlbumNeoleul-ij-jianh-eulge
Album: RAINBOW - The 4th AlbumDream
Album: RAINBOW - The 4th AlbumSalanghaeyo
Album: RAINBOW - The 4th AlbumSalang-igeuleohaljilado
Album: RAINBOW - The 4th AlbumGaldaesoli
Album: THERE ARE DIFFERENT WAYS TO HAPPINESS - The 3rd AlbumKoseumoseupieoissneungil
Album: THERE ARE DIFFERENT WAYS TO HAPPINESS - The 3rd AlbumEdelwise..
Album: THERE ARE DIFFERENT WAYS TO HAPPINESS - The 3rd AlbumNeottaemun-e
Album: THERE ARE DIFFERENT WAYS TO HAPPINESS - The 3rd AlbumJust When I Needed You Most
Album: THERE ARE DIFFERENT WAYS TO HAPPINESS - The 3rd AlbumRiver
Album: THERE ARE DIFFERENT WAYS TO HAPPINESS - The 3rd AlbumHalmal-eulhajimoshaessjyo
Album: THERE ARE DIFFERENT WAYS TO HAPPINESS - The 3rd AlbumSeulpeunsalang
Album: THERE ARE DIFFERENT WAYS TO HAPPINESS - The 3rd AlbumNagat-eungeon-eobsneungeongayo
Album: THERE ARE DIFFERENT WAYS TO HAPPINESS - The 3rd AlbumHaengboghaeyo
Album: THERE ARE DIFFERENT WAYS TO HAPPINESS - The 3rd AlbumHuimang
Album: THERE ARE DIFFERENT WAYS TO HAPPINESS - The 3rd AlbumHaneulnunmul
Album: THERE ARE DIFFERENT WAYS TO HAPPINESS - The 3rd AlbumBaegmansong-ijangmi
Album: THERE ARE DIFFERENT WAYS TO HAPPINESS - The 3rd AlbumMajung
Album: THERE ARE DIFFERENT WAYS TO HAPPINESS - The 3rd AlbumI Love Hoya (Sung by Chu Ga Yeoul)
Album: 06 WINTER SMTOWNGieoksogui Kkum - Dream of Memory (Sung by Choo Ga Yeoul)
Album: 2003 Summer Vacation in SMTOWN.COMGeu Hae Gyeoul (Sung by Chu Ga Yeoul)
Album: 2002 Winter Vacation in SMTOWN.COMWhen snow scatters… (sung by Chu Ga Yeoul)
Album: 07 WINTER SMTOWN