Leading by almost 36,000 plays, Columbia’s Mark Ronson topped the 2015 radio airplay chart with mega hit Uptown Funk featuring Bruno Mars. It was played 205,868 times across all UK radio, achieving 2.27 billion impacts over the year, according to Radiomonitor data.

The track was played 6,275 times more and by 299 more stations than last year’s No.1, RCA’s Pharrell Williams’ Happy, which still featured in the Top 50 most played tracks of 2015, peaking at No.36 on 64,580 plays. ...