After a week in which the Top 2 singles were separated by just a few hundred copies on most midweek flashes, WAP by Cardi B and Megan Thee Stallion moves into pole position. With 64,725 chart sales to its name (62,410 of them via sales-equivalent streams) it is the official new No.1.

The significance of this should not be understated. Female rap stars - among them Iggy Azalea, Nicki Minaj, Lil’ Kim and Missy Elliott - have topped the charts ...