Chris Willman Music WriterThe Weeknd, Justin Bieber and Ariana Grande were the three most-played artists across radio formats in 2021, followed by Dua Lipa and Olivia Rodrigo, according to a year-end report from Mediabase.Rounding out the top 10 radio artists in Mediabase’s ranking were Pop Smoke, Doja Cat, 24kGoldn, Ava Max and Drake.Although she was only the fourth-biggest artist at radio overall, Dua Lipa had the No.