Pre-debut
After the success of S.M. Entertainment's boy band, Super Junior, the company planned to debut a new girl group, which would ultimately turn into Girls' Generation, featuring a start-up roster of 11 members.[12] For nearly two years, Korean websites speculated about which of the female SM Entertainment trainees would be placed into the group. The candidate members were professionally trained primarily in 唱歌 and dancing, while some were also selected to be trained in 表演 and modeling. Many of the candidate members had already made names for themselves in the Korean entertainment industry through their participation in magazine advertisements, 电视 commercials, and small 电视 drama 或者 film appearances,[citation needed] and Sooyoung even debuted in the Japanese market in 2002 as part of the pop duo, Route θ, which soon disbanded in one year.[13][14] The group witnessed several revisions, as members were either added 或者 cut, until final line-up of the debuting nine was decided. Prior to their announcement, it was rumored that the group would be named "Super Girls" after their so-called male counterparts, Super Junior.[12]

The first member of the group to 加入 SM Entertainment's training system was Jessica in 2000, after she and her sister, Krystal Jung (now a member of the girl group f(x)), were scouted in a mall in Korea during a family vacation.[15] Also in 2000, members Sooyoung and Hyoyeon were cast into SM's training system through the 2000 SM Open Audition, in which Hyoyeon danced for her audition.[citation needed] Yuri was the 下一个 Girls' Generation member to be accepted into SM's training system after finishing 秒 in the 2001 SM Youth Best Dancer competition. Yoona was cast the following 年 after auditioning 唱歌 and dancing to her 最喜爱的 singers, BoA and Britney Spears, in 2002 SM Saturday Open Casting Audition.[citation needed] Seohyun, the group's youngest member, was scouted in the subway 由 an SM scout, then auditioned in 2003, 唱歌 children's songs.[16] The group's leader, Taeyeon, was cast in 2004 after being discovered at SM's 8th Annual Best Contest winning "Best Singer 1st Place & Grand Award".[17] That same year, member Tiffany auditioned at SM's Starlight Casting System in Los Angeles, and joined the company in October 2004.[18][19] The ninth and final member of the group to be added was Sunny, who entered the system in 1998, training for five years before transferring to another company, Starworld, where she trained to debut in the duo "Sugar", which ultimately never debuted. Then, under the recommendation of the singer Ayumi, she re-transferred back to SM Entertainment in 2007.[20] Sunny is also the niece of S.M. Entertainment's founder, Lee Soo-man.[21]

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