"Everybody" is a K-Pop song of complextro-dubstep music genre performed by the South Korean contemporary R&B idol group Shinee. Written by Cho Yoonkyung, two versions of "Everybody" exist: the original Korean-language version, which served as one of the two lead singles for the promotional cycle for the group's fifth Korean EP Everybody (2013), other one being "Symptoms", and a Japanese-language version, which was included as one of the three tracks on their ninth Japanese CD single 3 2 1 (2013). The Korean version of "Everybody" was made available for download on October 14, 2013 under the record label of S.M. Entertainment and distributing label of EMI Music.

The music video was released on October 9, 2013. The video showcased the boys in an air force military concept, similar to the navy concept of their label mates Girls' Generation's "Genie" era. It was directed by Jang Jae-hyuk, who stated that various techniques and equipment like the steadicam, technocrane and camera matrix, were used to film the music video. The choreography of the song was produced by Tony Testa. The agency's resident choreographer Gregory Hwang also co-produced the dance moves.

Billboard K-Town columnist Jeff Benjamin wrote "while finding a delicous balance of hyperactive EDM and pop stylings is commendable, the most impressive point of Shinee's "Everybody" comeback is the choreography - some of 2013's best".

The first live performance of "Everybody" was included in the set-list of Shinee Comeback Special at Gangnam Hallyu Festival on October 6, 2013, in Samseong-dong, Seoul. The performances were streamed on SM Town's YouTube channel. The first broadcast live performance, however, was through M.net's music show M! Countdown on October 10. 2013. This was followed by performances at KBS Music Bank on October 11, at MBC Show! Music Core on October 12, at SBS The Music Trend (Inkigayo) on October 13, and at MBC Music Show Champion on October 16, 2013.

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