This 29 April 2020 video from Britain says about itself:
Are you struggling to tell apart the birds in your garden based on their song? Ahead of #InternationalDawnChorusDay, BTO’s Training Manager, Nick Moran, will be teaching you which bird is which.
In this video, Nick familiarizes you with the songs of Chaffinch and Starling. Both common garden birds with a wide variety of noises, they’re worth adding to your repertoire.