Question: When was the South Korean musician, singer-songwriter, record producer and actor who was the most notable front man of the band that sang 2gether born? 

<P0-S0>  He is the leader, lead vocalist and rhythm guitarist of the rock band CNBLUE. <P0-S1> Jung Yong-hwa (; ] ; born June 22, 1989) is a South Korean musician, singer-songwriter, record producer and actor. <P0-S2>  Jung made his television debut in "You're Beautiful" (2009), and has since starred in television dramas "Heartstrings" (2011), "Marry Him If You Dare" (2013) and "The Three Musketeers" (2014). <P0-S3>  In 2015, Jung made his solo debut with the album "One Fine Day". <SEP> <P1-S0> Blueming (stylized BLUEMING) is the sixth extended play by South Korean band CNBLUE. <P1-S1>  It was released on April 4, 2016, under FNC Entertainment and distributed by LOEN Entertainment. <P1-S2>  The band began developing the record within the same time period as "Cinderella" from "2gether" (2015). <P1-S3>  Writing and recording for the album commenced in midst of the 2015 CNBLUE Live "Come Together" concert tour. <P1-S4>  Upon its completion, the band's record label announced that the quartet would release a mini-album. <SEP> <P2-S0> 2gether is the second studio album by South Korean pop rock idol band CNBLUE. <P2-S1>  After ending domestic promotions for "Can't Stop" (2014), the band concentrated on individual activities; most notably, frontman Jung Yong-hwa released his debut solo album "One Fine Day" (2015) in January. <P2-S2>  The remaining band members sought out opportunities in television, particularly in acting, variety show appearances, and MCing. <P2-S3>  In August 2015, it was announced that CNBLUE would release its second studio album after an absence lasting one year and seven months. <P2-S4>  It was released on September 14, 2015, under FNC Entertainment. <P2-S5>  With "2gether", the band decided to change the direction of its music; it stripped itself of the acoustic tracks it was known for and explored electronic dance music in order to create a particular color and form a distinctive sound. <SEP> <P3-S0> Jay Orpin (born April 29, 1976 in Stockholm, Sweden ) is a Swedish and Finnish songwriter and producer. <P3-S1>  He also writes songs and produced for Backstreet Boys, NSYNC, Robyn, Ace of Base, Bon Jovi, 2gether and Britney Spears, and later he produced songs for Good Charlotte, Sum 41, Simple Plan, Hawthorne Heights, Red Jumpsuit Apparatus, My Chemical Romance, Tokio Hotel, Lindsay Lohan, Dashboard Confessional, All American Rejects, Fall Out Boy, AFI, Evanescence, Hollywood Undead, t.A.T.u., Yellowcard, Hannah Montana, Linkin Park, Bullet for My Valentine and Taking Back Sunday. <P3-S2>  Most of his music is under the influence of today's modern pop punk, dance-punk, and emo music, but he does write some pop and hip-hop music as well. <P3-S3>  He also teamed up with Travis Barker in 2007, remixing popular hip-hop singles such as Throw Some D's, Party Like a Rockstar, and Crank That Soulja Boy. <P3-S4>  Even though he has written some of the works of some of the aforementioned artists, he is not one of the main producers of many of these artists and he chooses not to put his credit for his work. <P3-S5>  An original song written by such composer to be cited is yet to be found, however some has claimed an abbreviation of his name in one of the albums. <P3-S6>  In late 2008, he has decided to move in a small town near Oulu, Finland to raise his family and is a high school teacher and does accounting for bill paying in the summer to support the family, along with music production projects part-time, but he still continues to produce music today, but not as much as he used to. <P3-S7>  He did come back to help write a few new songs, such as In My Head by Jason Derulo. <P3-S8>  He has quit his part-time job in accounting to allow more time back in the music production business, to make a revival.