Fifteen weeks after it first topped the radio airplay chart, Calvin Harris & Dua Lipa’s One Kiss is No.1 for the seventh time.

The track - which was No.1 for just one week initially and fell as far as No.7 before recovering – has been at the chart apex for the last six weeks. In its latest triumph, it displays mixed signals, with its audience dipping 1.94% from 59.42m to a four-week low of 58.27m, while its plays inch ...