2005–2006: Debut

SS501 debuted on 8 June 2005 with their first single "Kyeonggo" ( Korean :"경고", "Warning"); a second single, "Snow Prince", was released in late 2005. The group was inactive in Korea for most of 2006, although they had a fan meeting in Japan in April of that year.The reason was due to Heo Young Saeng's throat condition, which required a surgery, thus resulting in a need for time to fully recover.In mid-2006, they held their first successful concert, "Step Up Concert" in Osaka , Japan. In late 2006, they returned to Korea in order to promote their first full album, which was released on 10 November and was entitledS.T.01 Now. Singles from the album included "Unlock" and "Four Chance". Alongside promoting the album on various variety and music shows, they also filmed a show on MNet, which was calledSOS. The group (excepting Heo Young Saeng, who was recovering from the surgery) also lent their voices for the 2006 animated moviePi's Story.

2007–2008: Japanese activities,Boys Over Flowers, and Sub-unit

Later in 2007, the group debuted in the Japanese market. A Japanese fan club was established with the name "Triple S Japan"; it officially debuted on 25 March 2007, when SS501 had their first official meeting with the club. The group at this time released their Japanese single "Kokoro", alongside multiple versions, including one with all members and five featuring each member individually. The single debuted at No. 5 on the Oricon chart,and moved to No. 3 the next day. It was also chosen as an ending theme song for an anime entitledBlue Dragon. A full album was released later that year. SS501 also received the newcomer award in Japan; this was the first time for Korean artists to receive this award.

In 2008, SS501 returned to Korea with their singleDeja Vu, which was released on 8 March 2008. The title track was the first song to be promoted, and they began their comeback on music channel M.Net'sM Countdown.After success with their single "Deja Vu", they began to promote their second single, "A Song Calling for You". They performed their Goodbye Stage onMusic Bankon 6 June 2008, to return to Japanese activities.

On 2 October 2008, leader Hyun Joong was cast as 'Yoon Ji Hoo' in the Korean version ofHana Yori Dango, officially namedBoys Over Flowers. It was broadcast on KBS in the first half of 2009. On 4 October the group represented Korea to performed and picked up theThe Best Asian Artist Awardat the 5th Asia Song Festival , organised byKorea Foundation for International Culture Exchange, at the Seoul World Cup Stadium .

With Jung Min, who's performing in the lead role of 'Danny Park' in musicalGreaseand Hyun Joong onBoys Over Flowers; the remaining three members formed 'SS501 Project Group' with Young Saeng as the leader. They released a project album namedU R Manin November 2008, with a high tempo dance track "U R Man". They also contributed to theBoys Over Flowerssoundtrack with "내 머리가 나빠서" (Because I'm Stupid), and appeared in episode four ofBoys Over Flowersin a cameo performance of "U R Man".

2009: Mini albums and first Asian tour

SS501 released their official second Japanese album,All My Love, on 13 May 2009. A promotional tour was also held in Japan in support of the album. They later released the albumSolo Collection, which consisted of the individual members' songs. Following its release, the members dissolved into their solo activities.

In August 2009, they reunited to embark on their1st Asia Tour Persona, with two concerts in Seoul. It was followed by 15 concerts in Japan, Taiwan, Hong Kong, Thailand, China, Malaysia, and Singapore.

The group's mini albumRebirthwas released in two parts: in a limited and a full edition. The former was released on 20 October,the latter on the 22nd. The limited special edition album included two posters and an 100-page photo diary. SS501 promoted the album with the single "Love Like This"; the song went on to win twoMusic Bankawards and an Inkigayo Mutizen in November. Promotional activities for the album ended on 29 November 2009.

On 21 November 2009, the group along with artists from SM Entertainment , Inwoo Production and Pledis Entertainment did not attend the 2009 Mnet Asian Music Awards . DSP stated that unlike the other agencies they were not boycotting the event only that they were busy with preparations for their first Asian tour.

In 2010, SS501 continued their1st Asia Tour Personaconcert in Thailand before holding their final encore concert, on 27 February, in Seoul to conclude the tour.Although the release of a new mini album was planned for 1 May 2010 (a nod towards "501" in the group's name), the date was pushed back in order to "add finishing touches". They performed at the 2010 Dream Concert later that month. Due to the fact that Kim Hyun Joong was still recovering from a previous injury, they sang two ballads instead of the rumored comeback track.

A day after their performance at the Dream Concert, one of their mini album tracks, "Let Me Be The One", was leaked on the internet. Not long afterwards, the teaser for the comeback track was unveiled. The third mini album, "Destination", was released on 24 May 2010. Their first win for lead track, "Love Ya", was on KBS'sMusic Bank, on 11 June.They also took first place the following week. On 18 June, DSP announced that SS501 would end their "Love Ya" promotions due to the expiration of their contract on 7 June 2010.

2010: Leaving DSP Media

In June 2010, upon the expiration of the group's contract with DSP Media, all the members then subsequently signed with other management companies. Kim Hyun Joong signed with KeyEast Entertainment in late June.This was followed, in August, by Park Jung Min who joined CNR Mediaand Kim Hyung Jun with S-Plus Entertainment.Lastly in October Heo Young Saeng and Kim Kyu Jong , both signed with B2M Entertainment.

Although its members signed under different companies, SS501 as of 2011, has retained its name. All of the members' new companies have stated that SS501's activities are top priority in their contracts.All members have also stated that the group has definitely not disbanded. Kim Hyun Joong explained in an interview that, at the time, there wasn't a company that would accepted them as a whole, thus the group decided to take the chance to focus on their solo activities. On October 2010, Kim Hyung Jun announced that SS501 would be back in early 2011 with a new album.April 2012, Kim Hyung Jun said in his own Japan concert tour that he meet up with all the members and SS501's comeback have been decided.

2011: Solo artists

Kim Hyun Joong starred in the leading role of 'Baek Seung Jo' in Korean dramaPlayful Kiss, broadcasted on MBC in September 2010. He then released his debut solo albumBreak Downon 8 June 2011 and it exceeded 70,000 pre-ordered copies in 10 days.In July 2011, he held his first nationwide concert in Japan, then continued the tour in November in seven cities across Japan.Kim Hyun Joong then released his second mini albumLucky, in October. It debuted at number 5 on Billboard 's World Chart.

Heo Young Saeng and Kim Kyu Jong held a joint fanmeeting,Kim Kyu Jong & Heo Young Saeng Story In Seoulon 4 December which continued in Hong Kong, Japan and countries across Asia.Heo Young Saeng was scheduled to launch his solo singing career on 28 April 2011, but had to postpone because he pulled the ligaments on his right hand during dance practice.His debut solo mini album ,Let It Gowas released on 12 May 2011, which features Kim Kyu Jong and Hyuna of girl group 4minute .In November and December, Heo Young Saeng will make his theatrical musical debut inThe Three Musketeers.

Kim Kyu Jong made his musical debut inGoong: Musical, playing the lead role of Crown Prince Lee Shin, in Kyoto, Japan from 11 June to 1 Julyand debuted as a solo artist in September 2011 with mini albumTurn Me On.On 9 November 2011, Heo Young Saeng and Kim Kyu Jong, along with other Korean and Japanese artists, perform at theSeoul Tokyo Music Festival 2011at Saitama Super Arena , Japan.

Park Jung Min 's comeback solo album,Not Alone, was originally planned to be released on 25 November 2010, but was pushed back to 20 January 2011.Park Jung Min was cast in a musicalBonds Of Boysin Japan as an exchange student from 18 to 23 November 2011. He also expanded his experience in acting by being cast in the Japanese drama,Love Song in August. He was also cast in the Taiwanese drama ,Fondant Garden, along with Kingone Wang , Jian Man Shu and Lia Lee.

In January 2011, according to Kim Hyung Jun 's official Japanese homepage, he signed with Avex Entertainment for his Japanese activities.On 8 March 2011 Kim Hyung Jun released his debut solo mini albumMy Girlwith music videos for the two lead tracks "oH! aH!" and "Girl". Where Park Jung Min visited Kim Hyung Jun during the music video shoot for "Girl".

2012: Dramas and military service

Kim Hyun Joong was offered the main lead role for the drama "Conquest for the City/City Conquest". Previously, Kim Hyun Joong has acted as a soft, gentle person however, this time round there will be 180 degrees change. He will be playing a wild, tough, rough man who grew up with no parents. He is resentful towards his father for leaving him and his mother when he was young. He therefore sets out to get revenge on the evils in the society who destroyed him and his family's life. However when it comes to love, he is infinitely weak. He was offered the role this April and he confirmed that he would be the main lead role, so as soon as he is finished with all his other activities and schedules the rest of the cast will be revealed and the filming will start right away.

Heo Young Saeng is now acting in a sitcom called "I Need a Fairy" which started airing this year on 27 February. He is acting as a singer who is famous and is also Cha Na Ra's first love. He left her to become a famous singer and once he became one he came back to her. His name in the sitcom is his real name Heo Young Saeng. However, he is also known by his nickname in the sitcom, Kaki. Heo Young Saeng makes his appearance in the sitcom from episode 23 onwards.

Kim Kyu Jong acted in Saving Madame Go Bong Shil. He acted as Nikki alongside with f(x) member Luna. He has shown a very good acting skill. He has been praised by media and fans for his improvised acting skills.

Park Jung Min acted in a Taiwanese drama Fondant Garden. This drama is still airing in Taiwan TV. He has also shown a very good acting skill.

Kim Hyung Jun acted as the main lead in his first drama, "Glowing She"/"Sunshine Girl". Kim Hyung Jun acted as a cool top singer named "Kang Min". Glowing She/Sunshine Girl aired from 7 January to 17 March. He was once again offered a lead role in the drama "I Love You/Late Blossom" which started airing on 16 April and is still presently airing.

In June 2012, B2M Entertainment announced that Kim Kyu-jong is to furfill his mandatory military service in July, the first member to enlist.On 3 June, Kim held farewell fan meeting,Thank U ThanKYU with Triple Sat Yonsei University in Sinchon-dong , Seoul. This marks his last official activity before his enlistment in July and the first time in over two years that the five members of SS501 have gathered together.On July 2, his agency announced that on 23 July, Kim will report to the recruit training center of the 35th division in Jeonju , North Jeolla Province for four weeks of basic training. They further explained that Kim was originally exempted because he's a hepatitis type B carrier. However, since the law has been reformed he is eligible to serve non-active duty as a public service worker.

This sectiondoes not cite any references or sources.(June 2010)

Although most of their music is composed by various people, the members of SS501 have also contributed to their albums. Kim Hyung Jun and his brother, Kim Ki Bum , formerly of U-KISS , composed, under the name "H&B", the songs: "Want It", "The One", "I AM", and "Hey G". Kim Hyung Jun also wrote the lyrics of the song "Obsess" in theirRebirthalbum. Heo Young Saeng composed his solo song "Is It Love?" and wrote the lyrics of "Until Forever", one of the tracks in SS501's albumDestination. Park Jung Min composed the song "Kiss" which is sung by Rainbow , he performed the song at their Persona concert. He also wrote the lyrics ofNot Aloneand contributed to all the other songs from his album. He wrote lyrics in Japanese and sang the song "Your Colour" himself for his new mobile drama for LISMO Channel in Japan,Love Song In August.

• Step Up in Seoul , South Korea (2006)
• Step Up in Busan , South Korea (2006)
• Step Up in Daegu , South Korea (2006)
• Concert in Osaka , Japan (2006)
• Concert in Seoul, South Korea (2006)
• 4th Annual Korean Music Festival in Los Angeles, California, USA (2006)
• Concert in Tokyo, Japan (2007)
• Concert in Shanghai , China (2008)
• Concert in Tokyo, Japan (2008)
• Concert in Osaka, Japan (2008)
• SS501 Showcase with Triple S– Olympic Fencing Gymnasium , Seoul (15 November 2008)
• Victory Concert in Los Angeles, California, USA (2009)
• 7th Annual Korean Music Festival in Los Angeles, California, USA (2009)
• 1st Asia Tour Persona in Seoul, South Korea – two concerts (July, 2009)
• 1st Asia Tour Persona in Tokyo, Japan (2009)
• 1st Asia Tour Persona in Taipei , Taiwan (2009),
• 1st Asia Tour Persona in Shanghai , China (2009)
• 1st Asia Tour Persona in Hong Kong, China (2009)
• 1st Asia Tour Persona in Bangkok , Thailand (2010)
• 1st Asia Tour Persona Encore in Seoul, South Korea (27 February 2010 at Olympic Gymnastics Arena )
• SS501 Newton X-Concertin Seoul, South Korea (13 June 2010)

Radio

• 2006–2007 :SS501's Youngstreet– Kim Kyu Jong, Park Jung Min & Heo Young Saeng
• 2010 – present :Music High– Kim Hyung Jun

TV programmes

SS501 has had various reality shows and documentaries based on their personal and Idol lives.

These are a collection of SS501's wins on Korea's televised music shows. Inkigayo is aired on SBS , M! Countdown on Korean cable channel M.net , and Music Bank on KBS .

M! Countdown

Music Bank

Inkigayo

1. (Korean) "Scary New! 'Ss501' Meet 무서운 신인! 'ss501'을 만나다". ystar. 16 June 2005. http://ystar.cu-media.co.kr/news/news_view.php?no=6098. Retrieved 2011-11-09. 
2. Kang Seung-hun "Kim Hyun-joong says SS501 has not disbanded" 10 Asia. 26 August 2010. Retrieved 2011-10-31
3. (Korean) "SS501 First Fan Meeting in Japan, "Power Hotties", a Speech Praised SS501 일본 첫 팬미팅 "전원 꽃미남" 일 언론 극찬". Newsen. 16 April 2006. http://news.newsen.com/news_view.php?uid=200604170733221002. Retrieved 17 April 2006. 
4. (Korean) "SS501, The Main Vocal Concert Heo Young Saeng Laryngeal Surgery Postponed SS501, 메인보컬 허영생 후두 수술로 콘서트 연기". Sport Seoul. 3 March 2006. http://www.sportsseoul.com/news/entertain/music/060307/20060307105288052000.htm. Retrieved 2011-11-09. 
5. (Korean) "July! SS501 'Pi's Story as' a brilliant screen debut! 7월! SS501 '파이 스토리'로 화려한 스크린 데뷔!". ystar. 26 June 2006. http://ystar.cu-media.co.kr/news/news_view.php?no=15466. Retrieved 2011-11-09. 
6. "Skull, TVXQ Hitting Overseas Charts" Korea Times. 7 August 2007. Retrieved 2011-11-02
7. "SS501 Makes a Comeback" KBS World. 13 March 2008. Retrieved 2008-03-26
8. "5th Asia Song Festival" KOFICE. 4 October 2008. Retrieved 2011-10-26
9. "SS501, the 1st Asia Tour Persona in Seoul" Joongang Daily. 29 July 2009. Retrieved 2011-10-31
10. Park Kun, Ouc (12 October 2009). "SS501 releases new mini-album jacket". Asiae. http://www.asiae.co.kr/news/view.htm?sec=ent9&idxno=2009101214193207425. Retrieved 31 October 2009. 
11. "SS501, '타투'로 짐승돌 변신?" (in Korean). JoyNews. http://joynews.inews24.com/php/news_view.php?g_serial=454328&g_menu=702120. Retrieved 31 October 2009. 
12. Park, Kun-ouc (4 November 2009). "DSP plays down MAMA boycott rumor". Asiae. http://www.asiae.co.kr/news/view.htm?idxno=2009110414550845922. Retrieved 26 April 2012. 
13. "S501 speaks ahead of "PERSONA" encore show" 10 Asia. 2 March 2010. Retrieved 2011-10-31
14. Hong, Lucia (14 june 2010). "Boy bands take control of TV music programs". 10 Asia. http://www.asiae.co.kr/news/view.htm?idxno=2010061410374606680. Retrieved 29 June 2012. 
15. Kim, Lynn "Kim Hyun-joong signs with Bae Yong-joon's agency" 10 Asia. 29 June 2010. Retrieved 2011-10-25
16. Park Kun-ouc "SS501 Park Jung-min signs with new agency" 10 Asia. 10 August 2010. Retrieved 2011-11-01
17. Kim, Jessica "SS501 Kim Hyung-joon joins Kang Ji-hwan agency" 10 Asia. 27 August 2010. Retrieved 2011-10-31
18. Hong, Lucia "Kim Kyu-jong, Heo Young-saeng to sign with new agency" 10 Asia. 14 October 2010. Retrieved 2011-10-31
19. (Korean) "Kim Hyun Joong states SS501 will not be disbanding" Nate News.
20. (Korean) "SS501 to return in 2012 김형준 '내년 SS501로 찾아뵐게요'" Sport World. 20 October 2010. Retrieved 2011-11-09
21. "Kim Hyun-joong's 1st Solo Album Exceeds 70,000 Pre-orders" Chosun Ilbo. 1 June 2011. Retrieved 2011-10-25
22. (Japanese) "キム・ヒョンジュン、初の全国ツアー決定" Sanapo. 30 July 2011. Retrieved 2011-11-09
23. "Kim Hyun Joong's album storms into Billboard World charts Top 5" Channel News Asia. 25 October 2011. Retrieved 2011-10-26
24. (Korean) "김규종 SS501 앨범은 내년쯤 계획" Nate News. 4 December 2010. Retrieved 2011-11-09
25. (Korean) "김규종 "SS501 음반은 다음해로 계획 中" 발표" Nate News. 4 December 2010. Retrieved 2011-11-09
26. Hong, Lucia SS501 "Heo Young-saeng to postpone solo activities" 10 Asia. 21 April 2011. Retrieved 2011-10-31
27. Kim, Heidi "SS501 Heo Young-saeng to release solo album on May 12" 10 Asia. 4 May 2011. Retrieved 2011-10-31
28. Kim, Heidi "SS501 Kim Kyu-jong to star in musical 'Goong'" 10 Asia. 12 April 2011. Retrieved 2011-11-19
29. Hong, Lucia "Kim Kyu-jong to begin solo singing career with mini-album next week" 10 Asia. 19 September 2011. Retrieved 2011-10-29
30. (Japanese) "Seoul Tokyo Music Festival 2011 artist list" 9 November 2011. Retrieved 2011-10-31
31. Kim, Heidi "Singer Park Jung-min takes off for fan meeting in Japan" 10 Asia. 20 December 2010. Retrieved 2011-11-19
32. (Japanese) "SS501’s Kim Hyung Jun signs with Avex, to release album in Japan キム・ヒョンジュン、待望の日本ソロ・デビュー" 22 January 2011. Retrieved 2011-11-02
33. Hong, Lucia "Kim Hyung-jun reveals first solo album today" 10 Asia. 8 March 2011. Retrieved 2011-11-02
34. (Korean) "SS501's Park Jung Min visits Kim Hyung Jun on his MV film set" Naver News. 27 February 2011. Retrieved 2011-22-06
35. "SS501's Kim Bids Fans Teary Farewell Before Enlisting". Chosun Ilbo. 5 June 2012. http://english.chosun.com/site/data/html_dir/2012/06/05/2012060500519.html. Retrieved 11 June 2012. 
36. Hong, Grace Danbi (4 June 2012). "SS501 Reunites for Kim Kyu Jong’s Last Fan Meeting Before Army Duties". enewsWorld. CJ E&M. http://enewsworld.mnet.com/enews/contents.asp?idx=7524. Retrieved 11 June 2012. 
37. "SS501′s Kim Kyu Jong joins the army on July 23". Star News. 2 July 2012. http://star.mt.co.kr/stviewEng.php?type=3&no=2012070216280782989. Retrieved 4 July 2012. 
38. Lee Hye, Rin (19 October 2009). "SS501 Taiwan concert attracts 12,000 fans". Asiae. http://www.asiae.co.kr/news/view.htm?sec=ent9&idxno=2009101915523736475. Retrieved 31 October 2009. 
39. "Classical Concerts, Big Tickets, Pop and Jazz, Plays and Musicals" Korea Times. 18 February 2010. Retrieved 2011-10-31
40. "SS501 list of shows" Edited by Jessie M.. 3 September 2012
41. (Korean) Official Music Bank homepage. List of K-Charts. KBS. Retrieved 5 September 2012