Farmers have spent millennia devising ways of herding their animals. But perhaps all they needed was a good old trombone.

In this video from Farmer Derek Klingenberg, a group of cattle flock to the sound of a trombone serenade. The animals seem bewitched by - or at least very curious about - the unique sounds of the brass instrument.

It is unlikely that this unique technique will signal a revolution in the farming sector, but it sure makes for a great video: