Trombone farmer plays 'Jingle Bells' until the cows come home — mashable.com

Farmer Derek Klingenberg is back, rocking livestock venues across the country with his trusty trombone. Here, Klingenberg woos the cow crowd with a beautiful rendition of "Jingle Bells" before he showers them with the gift of popcorn. Cows love trombones and popcorn. We're learning a lot today.

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