Letter from Secret

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Letter from Secret
Letter from Secret cover.jpg
EP by Secret
Released April 30, 2013
Genre K-pop, bubble gum pop, dance-pop
Label TS Entertainment
Secret chronology
Letter from Secret
Secret Summer
(2014)Secret Summer2014
Singles from Letter from Secret
  1. "YooHoo"
    Released: April 30, 2013

Letter from Secret is the fourth mini-album by South Korean girl group Secret. The album was released on April 30, 2013 and contains four tracks. "YooHoo", the album's lead single, marked the group's return to aegyo-inspired songs such as "Shy Boy" and "Starlight Moonlight".


Secret had their comeback performance on M! Countdown on May 2, 2013. The group also performed "YooHoo" on various music shows such as Music Bank, Music Core and Inkigayo in May and June 2013. Secret made a Japanese comeback on July 23, 2014 with the Japanese version of "YooHoo".

Track listing[edit]

No. Title Lyrics Music Length
1. "YooHoo" Kang Jiwon, Kim Kibum Kang Jiwon, Kim Kibum 3:20
2. "키다리 아저씨" ((Daddy Long Legs)) Jung Hana (Zinger), Park Soo Suk, INOO Park Soo Suk, Yoo Young Min 3:12
3. "ONLY U" Jung Hana, Jun Da Woon, MARCO Jun Da Woon, MARCO 3:47
4. "B.O.Y" ((Because of You)) Park Soo Suk, INOO Park Soo Suk, INOO 4:05
Total length: 14:33

Chart performance[edit]

"YooHoo" peaked at number 5 on the Gaon Singles Chart and has 978,757 downloads. The EP has in total 1,063,071 DLs while it sold 8,532 copies.


Chart Peak
Gaon Weekly album chart 7
Gaon Monthly album chart 15


Chart Sales[1]
Gaon physical sales KOR: 8,532+

Release history[edit]

Country Date Format Label
South Korea April 30, 2013 CD, Digital Download TS Entertainment
LOEN Entertainment
Worldwide Digital Download Sony Music

Credits and personnel[edit]

These credits were adapted from the Letter from Secret liner notes.[2]

  • Kim Tae-sung – executive producer co-producing
  • Song Jieun – vocals
  • Han Sunhwa – vocals
  • Jun Hyoseong – vocals
  • Jung Hana – vocals, rap
  • Kang Jiwon – co-producing, songwriting, arranger, music
  • Kim Kibum – co-producing, songwriting, music


  1. ^ "Gaon Album Chart" (in Korean). Gaon Chart. Archived from the original on February 22, 2014. Retrieved September 13, 2013. 
  2. ^ Letter from Secret(Liner Notes) (Physical Single, Digital Download). Secret (South Korean group). Seoul, South Korea: LOEN Entertainment. 2013. 

External links[edit]