The Wonder Girls are a South Korean girl group. The Wonder Girls debuted on February 10th, 2007 on Show! Music Core, singing "Irony", the single from their debut mini-album, "The Wonder Begins". The mini-album went on to become a minor hit, selling 11,454 copies in 2007. The main producer was Jin-young Park, the leader of JYP entertainment. Wonder Girls is the first female group from JYP entertainment since it was established. Each of the five original members were selected through auditions.