"Blow" (stylized in all uppercase) is a song by English singer-songwriter Ed Sheeran and American singer-songwriters Chris Stapleton and Bruno Mars. It was released on 5 July 2019 by Atlantic and Asylum Records and served as the fourth single from Sheeran's fourth studio album No.6 Collaborations Project (2019) along with "Best Part of Me" featuring YEBBA. "Blow" was co-written by Sheeran, Stapleton, Mars, Brody Brown, Frank Rogers, J.T. Cure, Bard McNamee and Gregory McKee. Mars produced the song and played all the instruments but the bass. "Blow" is a rock, blues rock and hard rock song. Lyrically, it is a dedication to a lover who leaves the singer crazy, mixed with gun references and sexual innuendo. Music critics gave "Blow" mixed reviews, with some praising the singer's vocals and the song's hard rock sound, while others criticised the lyrics calling the sound dated. The song reached number 60 on Billboard Hot 100 and 39 on the Canadian Hot 100, being certified gold by Music Canada (MC). It also peaked at number three on the US Hot Rock & Alternative Songs, number four on Canada Rock and number 21 on the Australian Singles Charts. In the music video – directed by Mars and Florent Dechard – Sheeran, Stapleton and Mars are replaced by an all-female rock band. They perform the song in The Viper Room in front of a crowd of rock fans. Background During an interview with Charlamagne tha God discussing his No.6 Collaborations Project (2019), Ed Sheeran revealed that he had been inspired by Christina Aguilera's collaboration with Lil' Kim, Mýa and Pink on "Lady Marmalade" (2001). This led him to working with Justin Bieber and Bruno Mars. He said it would be "fun" to be on a record with them. The first person he reached out was Mars who said, "Let's just do a song. Just us." The track's title was first revealed on 18 June 2019, along with the guests appearing on it. On 2 July 2019, Sheeran teased "Blow"s release on Instagram. Sheeran, Chris Stapleton and Mars wrote the track in a basement in Nashville. Sheeran explained that the trio did various songs and different things, but the single's rock sound came after working with Stapleton. Sheeran elaborated, "It was purely by accident with Stapleton ... he played us the riff". Nevertheless, Sheeran and Mars had several arguments while working on the song, and "Bruno never