"Cinderella (신데렐라; Shinderella)" is a song by South Korean rock band CNBLUE. It is the lead single to the band's second studio album 2gether and was released on September 14, 2015.

"Cinderella" is a pop rock song that incorporates disco and elements of electronic music. The song was written and composed by vocalist Jung Yong-hwa, and is composed in the key of A minor using common time with a tempo of 120 beats per minute. Beginning with "warped vocals, zipping synths, and booming drum machines", the song consists of a "funky guitar riff", a "dreamy synth", and beats that "lead into a danceable atmosphere." It builds up into the "explosive chorus", coupled with its catchy hook. "Cinderella" serves as a take on the European folktale of the same name with "trendy sounds" and "modern sensibilities". The song was conceived when Jung Yong-hwa was sitting on a sofa in his recording studio when the name Cinderella popped into his head. He initially dubbed it an "interesting keyword", but came across it two days later in an article about women longing to live like the character. With a "gut feeling", he felt that it was "destiny" to write a song about it.

"Cinderella" was simultaneously released alongside 2gether on September 14, 2015. CNBLUE began promoting the song on three days later on Mnet's music chart show M Countdown, followed by subsequent comeback performances on Korean Broadcasting System's (KBS) Music Bank, Munhwa Broadcasting Corporation's (MBC) Show! Music Core, Seoul Broadcasting System's (SBS) Inkigayo, SBS MTV's The Show, and MBC Music's Show Champion on the following days. "Cinderella" earned its first music show win on the September 22 broadcast of The Show, followed by their second win on Show Champion the day after. The song earned the band its third win on Music Bank that same week, which was not aired due to the Chuseok holiday. CNBLUE earned two consecutive wins on The Show and Music Bank a week later; "Cinderella" ultimately earned the band five music show wins.

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