SMAP is a Japanese "idol" group, formed by Johnny & Associates. Originally, there were six members in the group; current members are Masahiro Nakai, Takuya Kimura, Tsuyoshi Kusanagi, Goro Inagaki and Shingo Katori.
Their musical debut was in 1991. Since then they have released many CDs, three of which have been sold more than a million. Recently, the interval of releasing single CDs is becoming relatively long, approximately once a year. The members of SMAP have also starred in many television variety shows, dramas, commercials, and movies. Their fanbase mostly consists of Japanese women.
