Double S 301

Formation

In 2008, both Park Jung Min and Kim Hyun Joong were given solo projects for the Grease musical and the Boys Over Flowers series, respectively. Nevertheless, the three remaining members, with Heo as the leader, continued to tour, dubbed as the SS501 Project Group. They released a project album named U R Man in November 2008, with the high-tempo dance title track "UR Man". They also contributed to the Boys Over Flowers soundtrack with "내 머리가 나빠서" (Because I'm Stupid), and appeared as a cameo in episode four, performing their track, "U R Man". The track won Song of the Month for February at the 32nd Cyworld Digital Music Awards on March 28, 2009. as well as the Best OST of the year during the 2009 Mnet Asian Music Awards.

2015-present: Comeback as 'Double S 301'

August 2015, B2M Entertainment told MyDaily “Kim Hyung Jun, Heo Young Saeng, Kim Kyu Jong are in discussion of making a comeback as a trio sub-unit. Even though plans are not finalized yet, the members are very determined and our side is also very supportive of it.” Heo also confirmed the comeback during his 'Hello Again' fan meeting.

January 2016, CI Entertainment said “Finally Double S 301 will make a comeback. It is a long-awaited comeback so the members’ anticipation and passion for the preparation of this album is tremendous. You can look forward to Double S 301’s new fresh look, we hope that fans can support Double S 301 for their upcoming comeback.” 'Double S 301' is the transcribed pronunciation of SS501, altered to represent the group's member loss. Also, it's a nod to SS501's Official fanclub, Triple S. Both Hyun Joong and Jung Min are currently serving in the military.

The group is set to have a concert at BLUE SQUARE Samsung Card Hall on March 19 and 20, 2016 entitled "2016 Double S 301 CONCERT〈U R MAN IS BACK〉IN SEOUL". On February 4 at 4 p.m. KST, the ticket will be sold to the public through Interpark and a vigorous ticketing war will be continued.

Moreover, this event is a new foothold for members to meet their fans after each members’ long breaks such as military service, solo activity and others. Double S 301 is receiving attention from the fans in and out of the country and even from the mass public.

CI ENT said, “Every member is practicing hard with great passion and love for the upcoming comeback album and the Seoul concert. They will show off well-made album and performance, so please give lots of love and support for their comeback.”

Meanwhile, Double S 301 held its comeback showcase at Art Hall of Lotte Card Art Center on February 15 at 8pm KST, and released their new mini-album ETERNAL 5 on the following day. The tickets for the said concert were sold out 3 mins upon release.

Following their Korean comeback, they're set to come back in Japan with an album entitled "'Eternal S". Also, they're set to hold a concert in Tokyo and Osaka, Japan. Particularly in Tokyo Dome City Hall and Orix Theater on April 25 and 27 respectively.

On April 20, they officially released their Japanese mini album. A famous Japanese songwriter Matsui Goro and a singer songwriter Meghan Trainor, who received ‘Best New Artist’ award in the 58th Grammy Awards, participated in making the album.

Particularly, addictive dance title song Fraction, Bad Dimension contains the sexy attraction and Never Ending Dream that has an outstanding beautiful harmony of three members are included in the album. Various five original Japanese songs are included and completed a variety album. The album even ranked 5 in oricon.

On May 2016, to celebrate the groups 11th anniversary, CI Ent announced thru Twitter that Double S 301 will comeback with a special album.

The special album 'ESTRENO' was released on June 9, with the first comeback stage on June 8. The word means 'debut' in Spanish, which alludes to the album coming out on SS501's 11th debut anniversary.

The title song is the punk pop "AH-HA", and the mini album will also contain "Shining Star", a track only available on the physical CD.

After 6 months of taking a break from 'ESTRENO', the group is coming back with their 2nd mini album 'Eternal 0' and 'Eternal 1' on December 2016. The album will complete the ‘ETERNAL’ series, the 2 versions of jacket cover of the new album was released through Double S 301’s official company SNS on 23-Nov.

CI ENT said “Double S 301 will release a new album. There will be 2 different versions of album to be released. We worked hard to capture the members’ various charms in it, we hope for fans’ support and anticipation for the mini album which will be released on 9-Dec.”