Possible Clues:

• Bird's display around mating period
• A weather-beaten bird
• A little bird tells me that one may put it on about when it's hot
• Bird shows passion in display
• At last one gets the sound of its song that's so corny?
• Stormy Weather has a hold on a singer
• Piece of cereal for bird
• Bird finding warmth in river
• Rather like a chat about a change of weather
• One sings a little Elgar, which listener tapes