Music Is the Weapon is the fourth studio album by American electronic band Major Lazer, released on October 23, 2020, via Mad Decent.

[9] "Cold Water" was released on July 22, 2016, featuring Justin Bieber and frequent Major Lazer collaborator MØ.

In August 2016, the band's member Diplo teased on social media that he was working with Benny Blanco on a collab with American singer Ariana Grande, who was featured in the two short clips as well.

Several days later, on December 6, 2016, the promotional single "My Number" was released, in collaboration with the newly formed band Bad Royale.

On June 1, 2017, "Know No Better" featuring Travis Scott, Camila Cabello and Quavo, was released as the fourth single from the album.

[12] Also in June 2017, Diplo stated in an interview with Billboard: "I shifted my goal to just make singles, because no one really buys our albums".

[20][1] On the same day, Diplo revealed on BBC Radio 1 with Annie Mac that the album would be released in June 2020, and that it would feature appearances such as Sia and Nicki Minaj.

[22] However, in September 2020, Major Lazer tweeted that the album would once again be called Music Is the Weapon with a release date set for October 23, 2020.