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Watch This Talented Texas Cop Slay Johnny Cash's 'Folsom Prison Blues'

Johnny Cash's "Folsom Prison Blues" is one of those songs that's hard to cover with due justice, but one talented Texas cop did just that.

During roll call one day, San Antonio Officer Billy Morgan belted out his version of the Man in Black's iconic song. Fellow Officer Alexander Garza posted a video of the cover on Facebook and it went viral.

"Sure enough, as soon as he started singing, he blew us all away with his voice. I [posted the video] on Facebook because I thought he could bring a positive reflection on police, to show people that we have hobbies outside of policing," Garza told KENS 5.

"So, this happened at roll call before we went to go fight crime," the video's caption reads. "If you see this officer on the street, he may just sing you a song. Share away!"

READ MORE: Johnny Cash's Tennessee Farm is Now a Museum You Can Visit

"I know it's a song about going to prison, but it's one of my favorite Johnny Cash songs," Morgan said. (It is kind of ironic Morgan, but we dig it.) Morgan has reportedly been singing since high school, even booking some gigs after he got out of the Air Force. Is this a new career blossoming?

"Folsom Prison Blues" Lyrics:

I hear the train a comin' rollin' round the bend
I ain't seen the sunshine since I don't know when
Well I'm stuck in Folsom Prison and time keeps dragging on
While a train keeps a rollin' on down to San Antone
Well when I was just a baby my mama told me son
Always be a good boy don't ever play with guns
Well I shot a man in Reno just to watch him die
When I hear that whistle blowin' I hang my head and I cry

Well I'll bet there's rich folks eatin' in some fancy dining car
Probably drinkin' coffee and smokin' big cigars
Well I know I had it comin' I know I can't be free
But those people keep a movin' that's what tortures me

Well if they freed me from this prison if that railroad train was mine
Bet I'd move it on a little farther down the line
Far from Folsom Prison that's where I long to stay
Then I'd let that lonesome whistle blow my blues away

Now Watch: Inside Johnny Cash's Forgotten Lakeside Estate