1:32
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Frogs in a marsh croaking and growing slowly
1:27
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Birds in a UK park at York Minster
0:03
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Opera singer sings Ah
1:56
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many cows "singing", distant dog barking, ab-recording, 2008-03-22, 5 pm
0:58
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Red-headed bunting sporadic chirpy song, river, insect background
0:07
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Frogs croaking close
0:04
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Frogs croaking close in a loop
0:05
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Opera singer warms up
0:17
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People singing and talking in a pub.
1:00
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Slow twittery Desert Wheatear song, hiss.