Farmer Plays ‘Royals’ on His Trombone Til the Cows Come Home [VIDEO]

Kansas farmer Derek Klingenberg knows how to beckon his herd and all he needed was a lawn chair and his trombone. Klingenber played 'Royals' til the cows came home.

I've heard of farmers playing music for their animals, but I've never seen anything like this.  The viral video has had over a million hits in only 2 days.