Commercial radio’s biggest shakeup in years: Previewing 2021’s breakfast selections Ahead of the first radio ratings period of 2021 kicking off next week, Mumbrella's Zanda Wilson runs the rule over all the new and refreshed shows set to debut, and suggests what a successful year would look like for each offering. January 14, 2021 11:12 After a few solid years of relatively stable breakfast offerings across most metro markets, 2021 is set to be a big refresh across Australian commercial radio, with new or refreshed lineups debuting in every city. No less than eight new commercial breakfast shows will debut this year. Most are coming from Southern Cross Austereo (SCA), but there’ll also be new shows on Australian Radio Network (ARN) and Nine Radio.