"Chains" is a song by American singer Nick Jonas, taken from his eponymous second album. It was released on July 30, 2014 by Island and Republic Records as the lead single from the album. The song was written and produced by Jason Evigan, with additional songwriting provided by Ammar Malik, and Danny Parker. It is an R&B song, using kick drum-driven beats, a splash of bass-dropping trap at the intro and bridge as the song's instrumentation. Lyrically, the song talks about feeling trapped in a binding and hopeless love.

Considered a departure from his music with Jonas Brothers and Nick Jonas & the Administration, the song was praised by music critics for being an adult song, with his vocals and its production being praised. American singers Justin Timberlake and Miguel were influences for the song, as noted by some critics. The song's accompanying music video was directed by Ryan Pallotta and was released on July 30, 2014.

After the success of "Jealous" at radio stations in the US, Island and Republic re-released "Chains" as Jonas' next single. The song impacted Mainstream radio stations on January 20, 2015. It impacted rhythmic radio on March 3, 2015 On February 28, 2015 a remix of the song surfaced online featuring the vocals of Jhené Aiko.The song has reached number 13 on the Billboard hot 100, spending 20 weeks on the chart, later receiving a double platinum certification. The remix was released on March 2, 2015. The dance remixes of "Chains" reached number one on Billboard's Dance Club Songs chart in its May 23, 2015 issue.

In February 2013, Jonas Brothers announced they were returning to the music scene with a new single called "Pom Poms". The song received favorable reviews from music critics, but had very moderate success on the charts. Later, the band release the song "First Time" in June 2013, as the second single from their then-upcoming fifth studio album. A month later they announced that the album would be called "V". The band also announced a tour, but it was shortly cancelled and later the band announced their split in October, also cancelling the album.

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