Heart of Glass (song)

"Heart of Glass" is a song by the American new wave band Blondie, written by singer Debbie Harry and guitarist Chris Stein, and produced by Mike Chapman. It was featured on the band's third studio album, Parallel Lines (1978), and was released as the album's third single in January 1979 by Chrysalis Records, reaching number one on the charts in several countries, including the US Billboard Hot 100 and the UK Singles Chart. The accompanying music video was directed by Stanley Dorfman and filmed in a short-lived club.

"Heart of Glass" ranked at number 66 in the UK's official list of biggest selling singles of all-time in 2018, with sales of 1.32 million copies, being the 9th best selling single of the 1970s in the UK. It was inducted into the Grammy Hall of Fame as a recording of "qualitative or historical significance" in 2015. Harry herself stated that "Heart of Glass" was, along with "Rapture," the song she was proudest of having written.

In December 2004, Rolling Stone ranked the song number 255 on its list of the 500 greatest songs of all time. It was ranked at number 259 when the list was updated in April 2010 and at number 138 in their 2021 update. Slant Magazine placed it at number 42 on their list of the greatest dance songs of all time and Pitchfork named it the 18th best song of the 1970s. Billboard magazine included "Heart of Glass" in their lists of the best pop songs and dance songs of all time in 2023 and 2025.

Harry and Stein sold their future royalties to the song and the rest of Blondie's catalog to Hipgnosis Songs Fund in 2020.