Jet Black Heart

"Jet Black Heart" is a song by Australian pop rock band 5 Seconds of Summer from their second studio album, Sounds Good Feels Good. It was written by Calum Hood, Michael Clifford, David Hodges and Jon Green, and produced by David Hodges. It was released on 13 December 2015 as the album's third and final single. It charted in eight countries and won a Verano MTV Award and a Teen Choice Award. The music video was released on 17 December via YouTube and has since gained more than 30 million views. The song's title was based upon the popular band "Joan Jet and the black hearts."

Background and release
The single was first premiered on air on New Zealand radio on 27 August 2015. It was released as a promotional single on 28 August, an instant download after the album was pre-ordered. It was then sent for radio airplay on 13 December, being released as an official single.

The band performed the song for the first time on stage during their Rock Out with Your Socks Out Tour on the second night of their show at Long Island.

Composition
"Jet Black Heart" was written by Calum Hood, Michael Clifford, David Hodges and Jon Green, and produced by David Hodges. Clifford stated, "It's the song I'm most proud of." MTV described the track as "a whole lot darker than 'She's Kinda Hot'."

Critical reception
"Jet Black Heart" was met with positive reviews from music critics. Carolyn Menyes of Music Times compared the track to Yellowcard's "Only One" for its pop-punk sound and emotional lyrics. She stated, "The song continues the band's new tendency toward introspective lyrics, as they sing about being cold and broken but still feeling in love despite emotional turmoil." Jessica Thomas of Renowned for Sound noted that the song, "boasts an angst-ridden tune with lyrical and instrumental depth. Counting in with a deep beat, opening with electric riffs and leading with a steady bass line." She called the track, "a much grittier side to the 5 Seconds Of Summer brand."

Music video
The official music video was released on 17 December 2015, featuring the band members and some of their fans. Directed by Tom Van Schelven, the video starts off with a message from the band that reads "We asked our fans to help make this video. We wanted to hear your stories. We were overwhelmed with the response. This video goes out to you. Jet Black Heart."

Personnel
5 Seconds of Summer
 * Luke Hemmings – lead vocals, rhythm guitar
 * Michael Clifford – lead vocals, lead guitar, composer, lyricist
 * Calum Hood – lead vocals, bass guitar, composer, lyricist
 * Ashton Irwin – backing vocals, drums

Production
 * David Hodges – composer, lyricist, producer
 * Jon Green – composer, lyricist