Jung Joon Young 1st mini album is the debut EP by South Korean rock singer, Jung Joon-young, released by CJ E&M on October 10, 2013. It consists of six songs containing a pre-released track "병이에요 (Spotless Mind)", the title track, "이별 10분 전 (The Sense of an Ending)", and two songs that he participated in writing and composing: "아는 번호 (Missed Call)" and "Take off Mask" and other two songs "정말? (Really?)", and "Be Stupid".

His 1st Mini Album did well; The album ranked the top spot both on the daily and weekly chart of Synnara Record as a bestselling album during its first week and it totally sold over 12,804 copies from October until the end of 2013 in Korea. Plus, "병이에요 (Spotless Mind)" landed at the third place and "이별 10분전 (The Sense of an Ending)" also took the second place on the chart of MBC's music show 음악중심 (Music Core).

Jung Joon-young received New Male Solo Artist for "이별 10분전 (The Sense of an Ending)" at the 3rd Gaon Chart K-Pop Awards.

On April 21, 2013, it was announced that CJ E&M signed with Jung Joon Young on April 20 and they were supposed to release his debut album at the earliest that summer of the year. However it was delayed until October due to his passion to make it perfect and it was referred that it took a pretty long time for him to select the best songs he could be satisfied with.

It was described that he participated actively in producing his 1st Mini Album especially making N version of "병이에요 (Spotless Mind)" MV and album photos through the reality show Be Stupid.

On Oct 01, 2013. Jung Joon-young released his single "Spotless Mind", a pre-released title track off his upcoming album, along with two versions of the music video ("N" version and "S" version). Just an hour after release, "Spotless Mind" immediately made an impact on the country’s charts and nabbed the top spot on Mnet and Bugs, and Soribada.

Soon after, finally his 1st Mini Album was released on October 10 of that year.

Jung Joon-young unveiled the detailed story behind the making of his album and the great effort for working on his album through On Style’s reality show, "Jung Joon-young's Be Stupid" which aired four episodes from Sep 10 to Oct 1, 2013.

On October 4, he revealed the track list of lst Mini Album through the graffiti mural on a wall near Hongik University with the help of art students.

On Oct 10, he held a showcase to celebrate the release of his 1st Mini Album, and started his official activities as a singer follow up by making his debut show performance of the title track "이별 10분전 (The Sense of an Ending)" through Mnet’s "M Countdown". He promoted the title track "이별 10분전 (The Sense of an Ending)", along with the track "병이에요 (Spotless Mind)" on music shows such as Mnet's M! Countdown, KBS's Music Bank and MBC's Show! Champion from October 10 to November 12.

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Wikipedia