I Think I

"I Think I" features the vocals of nine active Super Junior members — Leeteuk, Heechul, Yesung, Donghae, Shindong, Eunhyuk, Siwon, Ryeowook, and Kyuhyun. Kyuhyun was discharged from his mandatory military service on May 7, 2019, and did not partake in the band's previous release, One More Time.^[3]

Kangin, who had been on hiatus since 2016 announced his decision to depart from the band on July 11.^[4] Sungmin continues his indefinite hiatus and voluntarily did not join band activities after last appearing for them for Mamacita album back in 2014.^[5] As a result, Super Junior became a ten-member group with nine active members promoting.

During the band's appearance at HallyuPopFest on May 28, Leeteuk announced the band will release a new album in 2019, to celebrate the group's 15th anniversary.^[6]

On September 3, Super Junior began releasing teaser images to generate hype for the album's release on October 14.^[7] The song was digitally released alongside its music video on October 4, albeit five hours behind schedule due to an alleged production issue.^[8][9] On October 30, the song was digitally released in Japanese.^[10]

"I Think I" is classified as a fusion between Latin pop music with jazz strings and horns, and R&B, the former was a nod to their debut extended play.^[1][2] The song was composed by Rudi Daouk, Jakob Mihoubi, Nermin Harambašić, and JINBYJIN in the key of F# Major, with the tempo of 145 beats per minute.^[11] Its lyrics were written by January 8th, Jo Yoon-kyung, and member Eunhyuk. JINBYJIN was credited as the producer of the song.^[12]

The lyrics of the song likens a time spent together akin to dancing.^[1][13]

The music video for the song features the members walking around New York's 14th Street station. The music video featured minimalist choreography for a track with a dance rhythm.^[1]

The Japanese version of the music video shows the members dancing around several sets.^[14]

The group promoted the song on KBS World's Music Bank on October 18 alongside "Super Clap".^[15] On October 26, the group performed the song at MBC's Show! Music Core.^[16]

The song was included in the setlist for the group's eighth tour (in overall), Super Show 8.^[17]

Credits adapted from the album's liner notes.^[18]

Studio

• Doobdoob Studio – recording, digital editing
• Golden Bell Tree Sound – recording
• SM LVYIN Studio – engineered for mix
• SM Concert Hall Studio – mixing
• The Mastering Palace – mastering

Personnel