1st Album: Believe

01. Intro
02. 사랑은 가질 수 없을 때 더 아름답다 (Love Is More Beautiful When You Can't Have It)
03. Caught My Eyes
04. 부탁해 (I Request)
05. 혼자 남겨지는건... (Staying Single)
06. Round & Round
07. Blue Sky
08. Somewhere Someone
09. TKO skit
10. She Is The One (Feat. Seven (Da Crew), Hyunmoo (Trespass) & TKO )
11. 어떻게 내가 (How Do I) (Feat. Kim Jo Han)
12. Up Front!
13. 사랑은 가질 수 없을 때 더 아름답다 (Love Is More Beautiful When You Can't Have It) (Instrumental)

1st Single: 촌스럽게... Behind the Clouds

01. 촌스럽게 (Behind The Clouds)
02. 널 사랑한게 죄겠지 (It Was a Crime To Love You)
03. I'm Sad
04. Blue Sky (Active Electro Remix)
05. Somewhere Someone (Coldfeet ReMix)
06. Caught My Eye (Beat's 2-Step Go-Clubbing Edit)
07. 촌스럽게 (Behind the Clouds) (Instrumental)

2nd Album: Yutzpracachia's Love

01. 유추프라카치아 (Yutzpracachia's Love)
02. Aisha
03. 기억해... 사랑해 (I Remember You... I Love You...)
04. Am Sad (Matsunaga Mastering Ver.)
05. Lady, Enough To Cry
06. Player
07. 함께 있어 좋은 사람 (Someone I Like Because We're Together)(Feat. May)
08. 어디선가 나의 노랠 듣고 있을 너에게 (To You, Who's Probably Somewhere Listening to My Song)
09. Automatic
10. 그녀 내게 걸어 오네 (She's Walking to Me)
11. 내 안에 그녈 기다리며 (Waiting For Her In Me)
12. 촌스럽게 (Matsunaga Mastering Ver.)
13. I Am Sad (Instrumental)

Special Album: Untold Story

01. Freeway
02. Singing that melody
03. 못난 남자
04. 사랑은 가질 수 없을 때 더 아름답다 (New Arrangement Ver.) (Feat. Miryo of Brown Eyed Girls)
05. 우두커니(Inst.)
06. Freeway(Inst.)
07. Singing that melody (Chorus Ver.)
08. 못난 남자 (Inst.)
09. 못난 남자 (Orchestra Ver.)

Special Album: Look Blank

01. 지갑 (Wallet)
02. 우두커니 (Absent-mindedly)
03. 그리움도 고마워 (Giving Thanks For Longing)
04. 지갑 (Saxphone Edit Ver.)
05. 지갑 (MR)

1st collection album: Tony An History

01. 같은 마음
02. 사랑은 가질 수 없을 때 아름답다
03. 유츄프라카치아
04. 부탁해
05. 기억해… 사랑해…
06. Somewhere,someone
07. 촌스럽게(Behind The Clouds)
08. I Am Sad
09. Caught My Eye
10. Blue Sky

Single: 지금 만나러 갑니다 (I'm Going to Meet You Right Now)

01. 지금 만나러 갑니다