VIDEO: Farmer summons cattle with trombone cover of Lorde's 'Royals'

We're not sure why this was made but we're kind of glad it was.

A trombone-playing farmer has a brilliant way of gathering up his cows. Sitting in his chair, in a seemingly empty field, he starts pklaying a jazzy cover of that Lorde song, 'Royals' (no stranger to ingenious covers).