Despite attracting its smallest audience for seven weeks, I’ll Be There by Jess Glynne spends its second straight week – and fourth week in total – at No.1 on the radio airplay chart.

Polling an audience of 61.78m from 6,372 plays, it presides over a chart in which all of the top nine are similarly stricken by reduced listener numbers – a very rare, if not unprecedented, phenomenon. Five of the nine combine their falling reach with an improved chart ...