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Sandeul at the Yongsan I-Park Mall on November 2013.jpg
Sandeul at the Yongsan I-Park Mall in November 2013
Background information
Birth nameLee Jung-hwan
Born (1992-03-20) March 20, 1992 (age 27)
Busan, South Korea
Occupation(s)Singer, actor
Years active2011–present
LabelsWM Entertainment
Associated actsB1A4
WebsiteSandeul on Twitter
Korean name
Revised RomanizationI Jeong-hwan
McCune–ReischauerI Chŏng-hwan
Stage name
Revised RomanizationSandeul

Lee Jung-hwan (Korean이정환; Hanja李征桓; born March 20, 1992), better known by his stage name Sandeul (Hangul: 산들) is a South Korean singer. He is a member of the South Korean boy group B1A4, that debuted on April 23, 2011. He debuted as a solo artist on October 4, 2016.



Lee was known to have competed in numerous singing contests prior to training and debut. Lee was approached by a company agent after performing a song by Kim Yeon-woo in a talent show. He then underwent a training period of two years.[2]

2011: Debut with B1A4[edit]

After years of training, Lee joined as the main vocalist of B1A4. On April 11, 2011, WM Entertainment unveiled Lee as the fourth member to be revealed after the release of the news of B1A4 along with Jinyoung, Baro and Gongchan's pictures. CNU was revealed the next day.[3][4][5][6][7]

On April 20, 2011, B1A4 released their debut Track "OK" and mini album "Let's Fly" and made their debut on April 23, 2011 on MBC Show! Music Core.[8]

After their debut, B1A4 was invited to star in MTV's reality show Match Up with Block B.[9] As one of the projects for the show, B1A4 filmed a music video for "Only Learnt The Bad Things (못된 것만 배워서)."[10]

2012 - 2014: Musicals and Immortal Songs[edit]

In May 2012, Lee made his musical debut in Brothers Were Brave, as Joo Bong. In addition, alongside some of B1A4 members, he competed on Immortal Songs number of times. In December, on the Kim Bum Ryong special, he (with Baro) took the trophy for the first time, performing "The Way to Live Like a Man".

In 2013, he entered Myongji University as a Musical Theater undergraduate.[11] Lee continued competing on Immortal Songs. He took his second win on Yim Jae-beom special, dedicating his performance, "I'm a Candle before You", to his late aunt. In October, Lee was cast for the lead role in the musical The Thousandth Man.

In 2014, Lee was cast for the role of Elvis Presley, in the musical All Shook Up. The musical is a remake of the 2004 American jukebox musical, created from Elvis Presley's songs and based on William Shakespeare's Twelfth Night.

2015 - 2016: King of Mask Singer, other singing programs and Solo Debut[edit]

In April 2015, Lee competed on Mystery Music Show: King of Mask Singer. A singing competition program, where masked celebrities sing and their identities are revealed only after being eliminated. Under "Flowering Silky Fowl" stage name he became the runner-up of the first generation and, as a result, gained more recognition for his vocal ability. Afterwards, he joined as a fixed panelist on the program. On episode 17 opening, Lee performed a special duet with his role model, Kim Yeon-woo, singing “Is It Still Beautiful?” by Toy.

Lee got his fourth musical role in July, as Prince Christopher in Cinderella. He also acted in the web drama Loss:Time:Life.

In February 2016, Lee was cast for the role of D'Artagnan in the musical The Three Musketeers.

Throughout 2016 Lee made numerous appearances on singing competition shows: He returned to do a single performance on Immortal Songs alone, and later that year with B1A4 as a full group for the first time. In April, Lee made his first appearance on Duet Song Festival with Jo Seon-young. They have been the first pair to make 3 consecutive wins, and crowned King of Kings on a special episode. He returned to the show to perform a special duet with Ken(VIXX) on episode 28. In addition, Lee made collaborations on JTBC's Two Yoo Project Sugar Man and Girl Spirit with Baek A-yeon and Oh My Girl's Seunghee respectively. He also returned to King of Mask Singer, as a guest panelist. On October 5, Lee participated in the Special Live: Your Choice! King of Mask Singer – a special live edition that brings back contestants who had been eliminated in previous episodes, and a special Mask King is chosen from live voting. Lee was chosen to be King of the live episode and was able to perform as a challenger in Episode 84. However, on that episode he lost to Ali and Kim Dong-myung of Boohwal.

In October 2016, Lee debuted as a solo artist with extended play Stay As You Are, where he first took part in writing and composing songs.

2017 - 2018: Varied activities and Starry Night's DJ[edit]

In February 2017, Lee became the first male idol to be appointed as an honorary ambassador for the presidential election. He was appointed alongside Kim Yeon-woo, Jung Ae-ri, Jin Se-yeon, Jang Na-ra and Yoon Joo-sang.[12] Later, he joined singer Kim Yeon-woo for a special performance in You Hee-yeol's Sketchbook, urging people to vote. [13] In addition, a video of Kim and Lee performing a remake of the song “As One Says” was released by The National Election Commission. [14]

In June 2017, Lee returned to Immortal Songs 2 on the Park Mi-kyung special, winning his third trophy with the song "Like a Dandelion Spore". A month later, on Summer Spent Together with Friends special, singing Yim Jae-beom's "Flight" as a duet with actor Ahn Se-ha, he took his forth trophy. [15] [16] At the end of that year Lee and Ahn participated in Best of the Best Competition special.[17]

On July 6, 2017, the song “Oppa”, a collaboration of Lee and Yoo Seung-woo, was released.[18] In August, Lee featured in Primary's Pop EP.[19]

In August 2017, Lee was confirmed to play the male lead in the musical “Thirty Something”.[20]

Lee first participated in creating B1A4's album, co-writing and co-composing the song "Like a Child", in the EP Rollin'.

On July 6, 2018, Lee was announced to be the 26th DJ for MBC's late night radio show “Starry Night” starting on July 9.[21][22]

In August 2018, Lee was casted to play in the musical "Iron Mask", taking the duel part of the twins Louis and Philippe.[23]

2019 - present: Solo ventures[edit]

In March, Lee participated in KBS2's In Sync\Kiss, a duet matching show.[24] Partnered with rapper DinDin singing Lee Hi's "Breathe" they won.[25]

During April and May, WM Entertainment announced Lee is preparing for his first solo comeback, [26] with his second EP to be released on June 3.[27][28] In addition, Lee's agency informed he would hold his first Japanese and Korean solo concerts in June.


Extended plays[edit]

Title Details Peak chart positions Sales

Stay As You Are
Track listing
  1. Stay As You Are (그렇게 있어 줘)
  2. Home (집)
  3. My Childhood Story (나의 어릴 적 이야기)
  4. Ya! (야!) (feat. Wheein of Mamamoo)
  5. The Way With You (같이 걷는 길)
5 [30]
One Fine Day
  • Released: June 3, 2019
  • Label: WM Entertainment, LOEN Entertainment
  • Formats: CD, digital download
Track listing
  1. One Fine Day (날씨 좋은 날)
  2. This Love (이 사랑)
  3. Oblique Line (사선)
  4. Raindrop (빗소리)
  5. Love, Always You (with Gongchan)
  6. I'm Fine (괜찮아요)


Title Year Peak chart positions Sales

"Stay As You Are" 2016 21 Stay As You Are
"One Fine Day" 2019 161 One Fine Day
As lead artist
"Ya!" (feat. Wheein of Mamamoo) 2016 78 [34] Stay As You Are
Collaborative songs
“Oppa” (with Yoo Seung-woo) 2017 40 [35] N/A
"Because We Are Connected" (with Yoseob & Jung Seung-hwan) 2018 N/A
"Love, Always You" (with Gongchan) 2019 One Fine Day
As featured artist
“Pick Up” (Primary feat. Sandeul) 2017 81 [37] Pop
“Breathe” (DinDin feat. Sandeul) 2019 Goodbye My Twenties
Other charted songs
"Home" 2016 97 [34] Stay As You Are
"The Way With You" 96 [34]
Soundtrack appearances
"Because It Hurts" 2014 51
God's Gift: 14 Days OST
"Swallowing My Heart" 2016 22 [40]
Love in the Moonlight OST
"One More Step" 2017 99
Introverted Boss OST
"Tell Me" Manhole OST
"Other World" 2018 Bad Guys: City of Evil OST
"Here I Am" Lovely Horribly OST
"Fly High" (날아올라) 2019
The Secret Life of My Secretary OST
"Lingering Inside Me" The Tale of Nokdu OST
"—" denotes releases that did not chart or were not released in that region.

Production & songwriting credits[edit]

Year Album Artist Song Lyrics Music
Credited With/other Credited With/other
Stay As You Are
My Childhood Story Yes No Yook Joong Wan
Ya! (feat. Wheein) Yes RWAM, Moon Minseok Yes RWAM, Moon Minseok
Like A Child Yes Team Columbus, Baro Yes Team Columbus
Humming Bird Yes Team Columbus, SoichiroK Yes Team Columbus
One Fine Day
This Love Yes Yes Antti Hynninen, Will Church
Love, Always You (with Gongchan) Yes Moon Jungkyu, Kim Junseop No Moon Jungkyu, Kim Junseop
I'm Fine Yes Team Columbus Yes Team Columbus
Goodbye My Twenties
Breathe (feat. Sandeul) Yes DinDin, Coup D'Etat Yes DinDin, Coup D'Etat, JUNIK


Television dramas[edit]

Musical theater[edit]

Year Title Role
2012 Brother Were Brave Lee Joong-bong
2013 The Thousandth Man Kim Eung-suk
2014 All Shook Up Elvis
2015 Cinderella Prince Christopher
2016 The Three Musketeers d'Artagnan
2017 Thirty Something young Hyun-sik
2018 Iron Mask King Louis XIV/Philippe


  • 2019: HIBIKI (Japan)
  • 2019: Wind Forest (Korea)

Awards and nominations[edit]

Year Award Category Nominated work Result
2014 16th Seoul International Youth Film Festival Best OST by a Male Artist Because It Hurts (God's Gift - 14 Days OST) Nominated
2015 2015 MBC Entertainment Awards Best Male Rookie Award for Music Talk Shows King of Masked Singer Nominated


  1. ^ "B1A4's Sandeul Is Accepted into Myongji University". Nate.
  2. ^ (in Korean) 지방돌 비원에이포(B1A4) “친근함으로 무장했어요”(인터뷰) : 네이트 뉴스. (2011-06-20). Retrieved on 2013-08-13.
  3. ^ Upcoming boyband 'B1A4' introduced through webtoon series. (2011-04-11). Retrieved on 2013-08-13.
  4. ^ B1A4 reveals second member, Baro!. (2011-04-11). Retrieved on 2013-08-13.
  5. ^ B1A4 reveals third member, Gongchan!. (2011-04-12). Retrieved on 2013-08-13.
  6. ^ B1A4 reveals their fourth member, Sandeul!. (2011-04-13). Retrieved on 2013-08-13.
  7. ^ B1A4 reveals their final member, CNU!. (2011-04-14). Retrieved on 2013-08-13.
  8. ^ B1A4 reveals MV for debut title track, "OK" + mini album. (2011-04-20). Retrieved on 2013-08-13.
  9. ^ Block B & B1A4 to hold a battle of charms on MTV's new reality show, "Match Up". (2011-06-13). Retrieved on 2013-08-13.
  10. ^ Block B and B1A4 to release new MVs through MTV. (2011-06-20). Retrieved on 2013-08-13.
  11. ^ "B1A4's Sandeul Is Accepted into Myongji University". Nate.
  12. ^ "B1A4's Sandeul Becomes First Male Idol To Be Appointed Honorary Ambassador For The Presidential Election". hellokpop. February 4, 2017.
  13. ^ "B1A4's Sandeul To Reunite With Kim Yeon Woo For Special "Yoo Hee Yeol's Sketchbook" Performance". soompi. March 28, 2017.
  14. ^ "Watch: Kim Yeon Woo And B1A4's Sandeul Inspire People To Vote With Cover Of Lee Juck's "As One Says"". soompi. April 18, 2017.
  15. ^ "Watch: B1A4's Sandeul Performs Emotional Duet With Ahn Se Ha On "Immortal Songs"". soompi. July 22, 2017.
  16. ^ "B1A4's Sandeul & actor Ahn Sae Ah join forces on 'Immortal Song'". allkpop. July 22, 2017.
  17. ^ "B1A4's Sandeul & Ahn Sae Ha shake with emotion on 'Immortal Song'". allkpop. December 23, 2017.
  18. ^ "Watch: B1A4's Sandeul And Yoo Seung Woo Like Being Called "Oppa" In Cute MV". soompi. July 6, 2017.
  19. ^ "Primary reveals 'Right?' feat. Soyu MV + 'Pop' collab MVs with Solji, JB, Sunggyu, Sandeul, & Yoseob". allkpop. August 30, 2017.
  20. ^ "B1A4's Sandeul Cast As Male Lead Of Upcoming Musical". soompi. August 17, 2017.
  21. ^ "B1A4's Sandeul Chosen As New DJ For Long-Running Radio Program "Starry Night"". soompi. July 5, 2018.
  22. ^ "MBC names B1A4's Sandeul and BTOB's Eunkwang as new radio DJs". allkpop. July 5, 2018.
  23. ^ "BTOB's Changsub and B1A4's Sandeul cast in musical 'Iron Mask'". allkpop. August 1, 2018.
  24. ^ "Watch: Music Variety Show Starring MAMAMOO's Moonbyul, B1A4's Sandeul, Punch, And More Shares Exciting Teasers". soompi. March 3, 2019.
  25. ^ "B1A4's Sandeul and Rapper Din Din Brought a Powerful Cover of 'Breathe,' an Emotional Song Composed and Written by the Late Kim Jonghyun". kstarlive. March 27, 2019.
  26. ^ "B1A4's Sandeul Announces Solo Comeback". soompi. April 7, 2019.
  27. ^ "B1A4's Sandeul Confirms Date For Solo Comeback". soompi. May 17, 2019.
  28. ^ "B1A4's Sandeul Enjoys The Spring And Cherry Blossoms In 1st Solo Comeback Teasers". soompi. May 23, 2019.
  29. ^ "Gaon Album Chart – Week 23, 2019". Gaon Chart (in Korean). Retrieved June 13, 2019.
  30. ^ "Gaon Album Chart Sales, 2016-10-02~2016-10-08". Gaon.
  31. ^ "Gaon 2016 year Album Chart Sales". Gaon.
  32. ^ "Gaon Chart". Gaon Chart (in Korean).
  33. ^ "Gaon Digital Chart, 2016-10". Gaon Chart.
  34. ^ a b c d e f "Gaon Download Chart, 2016-10-02~2016-10-08".
  35. ^ "Gaon Digital Chart, 2017-07-02~2017-07-08".
  36. ^ Cumulative sales for "Oppa":
  37. ^ "Gaon Digital Chart, 2017-08-27~2017-09-02".
  38. ^ "Gaon Download Chart, 2017-08-27~2017-09-02".
  39. ^ "국내 대표 음악 차트 가온차트!". Retrieved 2016-09-07.
  40. ^ "Gaon Digital Chart, 2016-08-28~2016-09-03".
  41. ^ Cumulative sales for "Swallowing My Heart":
  42. ^ * "Gaon Download Chart - Week 6, 2017". Gaon. Retrieved 2017-02-16.

External links[edit]