"Change Myself" is Japanese/Korean musician Iconiq's second Japanese digital single, and the title track of her debut album, Change Myself. The song was central to much of the album's promotion, such as its use in commercials for Shiseido's Maquillage cosmetics range. The song's lyrics influenced the change theme to Iconiq's debut. The song was somewhat successful in the digital market, preaking at #1 on Recochoku's weekly ringtone ranking chart. However, the song only received moderate success as a full-length download, peaking at #20 on RIAJ's Digital Track Chart.

The song was first released as a ringtone on January 20, 2010. A 1:39 edit of the song was released as B-side on Iconiq's "I'm Lovin' You" rental single, on January 27, 2010. A shorter edited version of the song was released as a digital download to cellphones on March 3, 2010, with the full-length version released simultaneously in cellphone and PC digital stores on March 31, 2010.

The song appears on both Iconiq's debut album Change Myself, released March 10, 2010, and on her debut extended play, Light Ahead, released September 15, 2010.

The song is a mid-tempo R&B song, written by Hiro of Digz, inc.. The lyrics describe a woman who has just come out of a relationship, whose only escape from sadness and reality is the MP3s she plays. She decides that she will not "live for nobody else but me" and changes things about herself. According to Iconiq, the song tries to express the message "From now I'll keep trying, and walk forward."

Because Iconiq and her team believed the song's message was strong, "Change Myself" also became the title of Iconiq's debut album. Furthermore, the lyrics of the song, such as the chorus line "no datte yes ni kaete ikeru" (NOだってYESに変えて行ける, If it's a no, I'll change it to a yes.), became the basis for concepts and catch phrases that were the centre of promotion around the album.

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