2AM is a South Korean four-member ballad boy band under JYP Entertainment. The members are Jinwoon, Jo Kwon, Seulong, and Changmin. 2AM is one of the two subgroups branched out from the eleven-member (before Jaebeom's departure) boy band One Day, the other being 2PM. They officially debuted on July 11, 2008 on KBS's Music Bank, performing their debut song "This Song". They won their first Mutizen at Inkigayo on February 7, 2010 with "Can't Let You Go Even If I Die"
Members:
Jo Kwon (조권), born August 28, 1989 , is the leader and the vocalist of the group. He was discovered by Park Jin Young through SBS variety show, 영재 육성 프로젝트 99%의 도전 (99% Challenge Project) in year 2001
Lee Changmin (이), 창민commonly known as Changmin, is the main vocalist and rapper of the group. He is born on May 1, 1986 and is one of the few idols to have completed his military service prior to debut.