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A farmer who filmed himself serenading his cows by playing his trombone to attract them towards him has become a viral sensation.
The video shows farmer Derek Klingenberg in an initially empty field as he sits in a chair and plays Lorde's hit 'Royals' on his trombone.
Gradually, his cows start to come towards him across the hill until a huge herd surrounds him.
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The video, posted on Sunday, has already racked up over one million views on YouTube.
Klingenberg is already something of an internet celebrity, with his videos regularly gaining viewing figures in the millions.