Frogs in a marsh croaking and growing slowly
Birds in a UK park at York Minster
many cows "singing", distant dog barking, ab-recording, 2008-03-22, 5 pm
Red-headed bunting sporadic chirpy song, river, insect background
Frogs croaking close in a loop
People singing and talking in a pub.
Slow twittery Desert Wheatear song, hiss.