
1st Single Album : Debut Single – 이 노래
Release Date: July 21, 2008
- 이 노래 (This Song)
- 아니라기에 (Not Because)
- 어떡하죠 (What Do I Do)
- 이 노래 (This Song) (instrumental)
- 아니라기에 (Not Because) (instrumental)

2nd Single Album : Time For Confession
Release Date: March 23, 2009
- 친구의 고백 (A Friend’s Confession)
- Lost
- 일단 돌아서지만 (Although You’ve Turned Around Now)
- 친구의 고백 (A Friend’s Confession) (instrumental)
- Lost (instrumental)
- 일단 돌아서지만 (Although You’ve Turned Around Now) (instrumental)

1st Mini Album - 죽어도 못 보내 (Even If I Die, I Can’t Let You Go)
Release Date: January 21, 2010
- Intro
- 죽어도 못 보내 (Can’t Let You Go Even If I Die)
- 웃어 줄 수가 없어서 미안하다 (I’m Sorry I Can’t Laugh For You)
- I Love You (feat. Baek Chan, Joo Hee of 8eight)
- 그녀에게 (To Her) (feat. Chansung of 2PM)
- 웃는다 (Laugh) (Outro)

2nd Mini Album (Repackaged) - 잘못했어 (I Did Wrong)
Release Date: March 18, 2010
- Prologue
- 잘못했어 (I Did Wrong)
- 어떡하죠 (What Do I Do)
- 아니라기에 (Not Because)
- 일단 돌아서지만 (Although You’ve Turned Around Now)
- Lost
- 죽어도 못 보내 (Can’t Let You Go Even If I Die)
- 웃어 줄 수 없어서 미안하다 (I’m Sorry I Can’t Laugh For You)
- I Love You (feat. Baek Chan, Joo Hee of 8eight)
- 그녀에게 (To Her) (feat. Chansung of 2PM)
- Epilogue (웃는다) (Laugh)

Official 2010 Fifa World Cup Album – 2AM No.1
Released Date : May 2010

First Full Length Album (Standard Version) : Saint o’ Clock
Release Date: October 26, 2010
- INTRO – Phone
- 전활 받지 않는 너에게 (You Wouldn’t Answer My Calls)
- 미친 듯이 (Like Crazy)
- 바로 나야 (Just Me) (feat. GLAM)
- MIRAGE
- 다시 사랑하기엔 (To Love Again)
- 이젠 없다 (Now, There’s No More)
- 불안하다
- LOVE U, HATE U (feat. 방탄소년단)
- With or Without U
- 사랑한단 말 못해 (I Can’t Tell You I Love You)

First Full Length Album (Limited Version) - Saint o’ Clock
Release Date : November 5, 2010
- INTRO – Phone
- 전활 받지 않는 너에게 (You Wouldn’t Answer My Calls)
- 미친 듯이 (Like Crazy)
- 바로 나야 (Just Me) (feat. GLAM)
- MIRAGE
- 고백하던 날 (Day of Confession) (Original Mix)
- 이젠 없다 (Now, There’s No More)
- 불안하다
- LOVE U, HATE U (feat. 방탄소년단)
- With or Without U
- 사랑한단 말 못해 (I Can’t Tell You I Love You)
- 친구의 고백 (A Friend’s Confession)
- 이 노래 (This Song)

- Never Let You Go ~死んでも離さない~
- 笑ってあげられなくてごめん
- Missing
- Never let you go ~死んでも離さない~(죽어도 못 보내)
- 笑ってあげられなくてごめん (Without Main Vocal)

3rd Korean Mini Album : Fitzgerald’s Way of Love
Date released : March 19 2012
Track List:
- 내꺼였는데 (You Were Mine)
- 너도 나처럼 (I Wonder If You Hurt Like Me)
- 추억 다 지워 (Erase All Our Memories)
- 1초만 더 (One More Second)
- 잘 이별하기 (How To Break Up Well)
- 사랑해 사랑해 (I Love You, I Love You)

2nd Japanese single : 「電話に出ない君に」
Release Date : 11 April 2012
Track List:
- 電話に出ない君に
- 壊れそう
- 瞳をとじて
- 電話に出ない君に (without main vocal)
- 壊れそう (without main vocal)

- For you ~君のためにできること~
- Birthday
- 最愛
- For you ~君のためにできること~(Instrumental)
- Birthday(Instrumental)

4th Japanese single 「誰にも渡せないよ」
Release date : December 5th 2012
Tracklist :
- M-1 誰にも渡せないよ
- M-2 Winter gift
- M-3 Everything
- M-4 誰にも渡せないよ (Instrumental)
- M-5 Winter gift (Instrumental)

1st Original Japan Album : VOICE
Release Date : 9 Jan 2013
Tracklist :
01.For you ~君のためにできること~
02.電話に出ない君に
03.誰にも渡せないよ
04.First Love (★new)
05.Pretty Girl (★new)
06.笑ってあげられなくてごめん
07.Birthday
08.無邪気な笑顔で(★new ※Changmin’s song)
09.壊れそう
10.Winter gift
11.Never let you go ~死んでも離さない~
12.愛の歌がRadioから (★new)

Release Date : 5 March 2013
2. 너를 읽어보다 (You Read More)
3. 위로 (Comfort)
4. 어느 봄날 (One Spring Day)
5. Sunshine
6. 그때 (Then)
7. 그대를 잊고 (You Forget)
8. 내게로 온다 (Comes To Me)
9. 어느 봄날 (One Spring Day) (Inst.)
