Queen Bey reclining on top of a patrol car that's sinking into rising floodwaters is one of the controversial images in her New Orleans-set video for Formation - directed by longtime collaborator Melina. It's not as incendiary as her Black Panther-referencing performance at the Superbowl the day after the video's release, but its implicit criticism of the police, together with her wide-ranging celebration of the American black experience, is a Beyoncé-shaped addition to the Black Lives Matter cause.

The video also uses footage that was originally shot for the New Orleans' bounce documentary That B.E.A.T. - which caused a furore in the hours after its release on Saturday (Feb 6th). Then it was cleared up, with Beyoncé's representatives releasing a statement saying that the footage had been "used with permission and licensed from the owner of the footage," and the documentary's makers, including Abteen Bagheri and Chris Black, duly credited.