"Bad Boy" is a single by South Korean boy band Big Bang. It was released on February 29, 2012, by YG Entertainment, as the second single from their EP Alive. The track's R&B and hip hop sound was acclaimed by music critics, who called it one of BigBang's best songs. "Bad Boy" peaked at number two on South Korean's Gaon Digital Chart. Release and composition "Bad Boy" was the third song to the featured on the teaser videos from Alive, after "Blue" and "Love Dust." The music video for the track was released on the same day as the album. The song charted at number one on online music charts after its release. The first televised performance was held at the music show Inkigayo on March 11. A Japanese version of the song was included at the Japanese studio albums Alive and The Best of Big Bang 2006-2014. The song was penned by G-Dragon, who also produced the song with Choice37, and with additional rap parts written by T.O.P. "Bad Boy" is a piano-based R&B track. The production was noted for its roots "in the airiest of hip-hop/R&B summer crossover," for including tropical elements and was compared to the work of Boyz II Men and Justin Timberlake. The rapping parts were described as "mellow," which gave the song a "airy flow." Fuse described "Bad Boy" as a "unique mid-tempo track" that is "richly urban, set against a nostalgic '90s hip hop beat." Critical reception "Bad Boy" is one of the group's most acclaimed work by music critics. Spin listed it at number thirteen in their "Greatest K-Pop songs of all-time list," stating that "Big Bang's five very distinct personalities combine here for a single more singular than any of their K-pop peers can lay claim." Fuse choose it as the only non-English song in their best songs of the year list, calling the track "soft, elegant, refined." "Bad Boy" was also highlighted in The Fader's "A Year in Review" article, being described as "relieving as a joint and a Gatorade." Billboard placed the track at number five in their "Best K-Pop songs of the Year" list, and claimed that "Bad Boy" stands out for "being the epitome of Big Bang’s unique brand of evocative hip-hop" and added "the song is a creeping earworm that hits all the right notes without much apparent effort and was an early adopter of the