Mr. Stein (SISTAR) belonging to the Starship entertainment Korea's women's four-Member musical group. What is the meaning of Mr. Stein's sister (Sister) ' and ' Star ' a combination of familiar images, such as ' sister, isn't it-I'm going to be a big star to thrive ' commitment. June 3, 2010, the first single, "Push Push", released on June 4, 2008 in music Bank KBS's debut had.In the same year September 1, in the second singles to date, and gradually 〈manufacture and pretense that 〉, and started gaining popularity, December 3, the third single, released in the year 〈manufacture teeth thing 〉 debuts for the first time in six months after took first place in the music program.
May 3, 2011 and the members look to form this unit's star 19 Hyo-Rin "Ma Boy", released in the year activities, the same year 08-09 is the first Studio album, released on the activity So Cool.