The number of writing credits on the UK’s biggest hits has continued to soar, new Music Week research can reveal.

In last year’s songwriting special issue, our revelation that it took an average of 4.53 people to write 2016’s 100 biggest hits caused an international sensation.

This year, the number has risen even further, with an average 4.84 people used on 2017’s biggest 100 singles.

Only one person placed a 100% song on the chart, although he did have two ...