In July 2007, Girls' Generation had their unofficial first stage performance on Mnet's School of Rock where the group performed their first single, "Into the New World" (다시 만난 세계). A documentary recording the story of the group's debut titled Girls' Generation Goes to School was filmed by Mnet during this time, revolving around their unofficial debut and first public performances through School of Rock.
Girls' Generation in February 2008 performing at Rajamangala Stadium in Bangkok, Thailand
The group's first single was physically released soon after, including an instrumental of the group's debut song and two other tracks: "Beginning" and "Perfect for You." The latter's Korean Название is "Wish" (소원), which later became the name of Girls' Generation's official Фан club, S♡NE. The group's debut officially began on August 5, 2007, first performing on SBS Inkigayo, later on MBC Show! Музыка Core and KBS Музыка Bank. "Into the New World" achieved No.1 spot on Mnet M! Countdown. The group released their first self-titled full album in late autumn of 2007 with the lead single "Girls' Generation" (소녀시대), a remake of Lee Seung-cheol's 1989 song. Promotion for the single started in early November. The album also included the group's first single "Into the New World", "Perfect For You" (re-titled "Honey"), and eight other tracks by the group. The group first album has sold еще than 100,000 copies. The last pop-oriented girl group in Korea to accomplish this feat was S.E.S.
In early 2008, Girls' Generation began promoting their секунда single from the album, "Kissing You", which won the group their first K-chart win after achieving the number one position on the KBS Музыка Bank February chart.This song achieved the #1 spot on three major TV Музыка rankings—SBS Inkigayo, M.net M.Countdown! and Музыка Bank. In March 2008, the album was repackaged, re-released and re-titled Baby Baby. Girls' Generation released the teaser for their single "Baby Baby" on March 15, 2008. The single was released on digital Музыка sites on March 17, 2008. The single, "Baby Baby", was released to promote the album. The group also performed "Baby Baby" on various Музыка shows such as MBC Show! Музыка Core, SBS Inkigayo, and Mnet M! Countdown in March and April. The album promotions was concluded on April 13, 2008, on Inkigayo.During the group's promotions, members Jessica, Tiffany and Seohyun were featured on a mini-album released by Roommate, a one-man band from Purple Communication. The mini-album was titled Roommate: Emotional Band Aid, and was released on December 1, 2008. The song performed by the three girls, titled "Oppa Nappa" (오빠 나빠; literally, Bad Brother), was digitally released before the album in April 2008. The song was performed live on SBS Inkigayo, KBS Музыка Bank, and Mnet M! Countdown.Later in the year, the three members released "Mabinogi" (It's Fantastic!) together as the theme song for the Nexon game Mabinogi, with Tiffany participating in the Музыка video.Mnet reality Показать Factory Girl chronicled the members working as interns at fashion magazine Elle Girl.The program began airing in early October. In late 2008, the group also participated in the SM Town Live '08 концерт along with other SM Town artists.
