Tracklist

CD 1
# Title Rating Length
1 하나부터 열까지
3:37
2 Good-bye Baby
3:46
3 Help Me
3:19
4 Break It
3:50
5 Mr. Johnny
3:07
6 그 음악을 틀어줘요 DJ
3:17
7 Step Up
2:47
8 Breathe
3:34
9 멍하니
4:45
10 다시 사랑
3:26
11 Love Alone
3:33
12 Bad Girl Good Girl
3:37
13 Good-bye Baby (Silver mix)
3:53

Credits

CD 1

strings:
배영호 (track 10)
KoN (dōjin musician) (track 9)
김현아 (vocalist/guitarist, lalasweet) (track 9)
슈퍼 창따이 (track 10)
strings arranger:
배영호 (track 10)
심은지 (South Korean composer) (track 9)
슈퍼 창따이 (track 10)
정대헌 (track 9)
membranophone:
강수호 (track 9)
guitar:
이성렬 (track 9)
Michael Thompson (session guitarist) (track 2)
신봉원 (track 2)
bass:
최훈 (Wave) (track 9)
keyboard:
홍지상 (tracks 3, 7)
Tommy Park (composer) (tracks 1, 4–5)
심은지 (South Korean composer) (track 13)
슈퍼 창따이 (track 6)
piano:
길은경 (track 9)
arranger:
홍지상 (tracks 3, 7–8, 12)
J.Y. Park "The Asiansoul" (tracks 2, 8, 12–13)
Tommy Park (composer) (tracks 1, 4–5)
심은지 (South Korean composer) (tracks 8–9, 13)
조종수 (track 8)
슈퍼 창따이 (tracks 4, 6, 10)
FUEGO (Alexander Palmer, German born writer, producer) (track 11)
assistant mixer:
권해훈 (track 9)
Erik Madrid (track 12)
Christian Plata (track 12)
심소연 (track 10)
김우경 (track 13)
노준수 (tracks 1, 3)
assistant recording engineer:
노준수 (tracks 3, 5–9, 11, 13)
신봉원 (track 2)
이재은 (track 12)
background vocals:
Tommy Park (composer) (track 5)
miss A (South Korean girl group) (tracks 3–5, 8, 12)
Fei (Chinese singer, member of miss A) (tracks 2, 13)
김선미 (track 9)
(tracks 1–2, 13)
박수민 (track 7)
라도 (Black Eyed Pilseung) (track 1)
SUZY (South Korean singer and actress) (tracks 1–2, 13)
슈퍼 창따이 (tracks 4, 6)
유성은 (Sung Eun Yoo. The Voice of Korea) (tracks 6, 10)
Ozzie Jimmy Yu (track 5)
이바램 (track 3)
composer:
Kahlil Feegel (track 11)
홍지상 (tracks 3, 7)
Alexander Palmer (track 11)
J.Y. Park "The Asiansoul" (tracks 2, 8, 12–13)
Tommy Park (composer) (tracks 4–5)
심은지 (South Korean composer) (track 9)
라도 (Black Eyed Pilseung) (track 1)
슈퍼 창따이 (tracks 6, 10)
instruments:
홍지상 (tracks 2–3, 7–8, 12)
Pure Kaozz (track 11)
J.Y. Park "The Asiansoul" (tracks 2, 8, 12)
Tommy Park (composer) (tracks 1, 4–5)
심은지 (South Korean composer) (tracks 8–9, 13)
조종수 (track 8)
슈퍼 창따이 (track 6)
FUEGO (Alexander Palmer, German born writer, producer) (track 11)
lyricist:
홍지상 (tracks 3, 7)
J.Y. Park "The Asiansoul" (tracks 2, 8, 12–13)
Tommy Park (composer) (track 5)
김은수 (track 5)
김희영 (track 9)
Kupa (lyricist) (track 1)
라도 (Black Eyed Pilseung) (track 1)
슈퍼 창따이 (tracks 4, 6, 10)
Ursula Yancy (track 11)
mixer:
홍성준 (engineer) (track 10)
조성준 (engineer) (tracks 4, 6)
Manny Marroquin (tracks 2, 12)
문호윤 "Moonworker" (Moonworker) (track 13)
Dan Naim (track 11)
Brian Stanley (US engineer) (track 8)
양광호 (track 9)
윤원권 (track 5)
신봉원 (tracks 1, 3, 7)
performer:
miss A (South Korean girl group) (tracks 1–13)
programming:
홍지상 (tracks 2–3, 7–8, 12)
Pure Kaozz (track 11)
Tommy Park (composer) (tracks 1, 4–5)
심은지 (South Korean composer) (tracks 9, 13)
슈퍼 창따이 (track 6)
FUEGO (Alexander Palmer, German born writer, producer) (track 11)
정대헌 (track 9)
recording engineer:
최자욱 (track 12)
장민 (engineer) (track 10)
정의석 (track 12)
정호진 (track 12)
김갑수 (engineer) (track 12)
김한별 (track 1)
나수민 (tracks 1, 4)
신봉원 (tracks 2–3, 5–9, 11–13)
remixer:
문호윤 "Moonworker" (Moonworker) (track 13)
sound engineer:
홍지상 (tracks 7–8, 12)
슈퍼 창따이 (track 6)
vocals:
Fei (Chinese singer, member of miss A) (tracks 1–13)
孟佳 (tracks 1–13)
(tracks 1–13)
SUZY (South Korean singer and actress) (tracks 1–13)
vocals arranger:
Noday (track 11)
mixed at:
JYPE Studios in South Korea (tracks 1, 3, 7)
GP Studio (track 5)
MOJO Studios (track 10)
Manee Studio (track 9)
Music Cube Studios (tracks 4, 6)
The Cave Studio (track 11)
recorded at:
JYPE Studios in South Korea (tracks 2–3, 5–9, 11–13)
MOJO Studios (tracks 1, 4, 10)
has remixes:
music videos:
Bad Girl Good Girl by miss A (track 12)
Breathe by miss A (track 8)
remix of:
Good-bye Baby by miss A (track 13)
recording of:
Bad Girl Good Girl (track 12)
Break It (track 4)
Breathe (track 8)
Good-bye Baby (tracks 2, 13)
Help Me (track 3)
Love Alone (track 11)
Mr. Johnny (track 5)
Step Up (track 7)
다시 사랑 (track 10)
멍하니 (track 9)

Release

mastering:최효영
Brian Gardner (mastering engineer "Big Bass Brian")
전훈
Dave Kutch
distributed by:LOEN Entertainment (mostly a distributor label! please try and verify the correct label on the cover of the release)
manufactured by:Seoul Media, Inc.
ASIN:US: B0051EYMD6 [info]

Release Group

Wikipedia:en: A Class (album) [info]