Racing Radio Services
If you want to listen to live Horse or Greyhound racing commentary you can do by going to the following link:
William Hill Greyhound Service
https://sports.williamhill.com/betting/en-gb
William Hill Horse Racing Service
https://sports.williamhill.com/betting/en-gb
Betfair/Timeform also run a radio service for Horses and Greyhounds
https://www.timeform.com/horse-racing/about/timeform-radio