I've been working on the railroad.
16 Tons
Tote that barge, lift that bale, get a little drunk and land in jail.
Working in a Coal Mine, Lee Dorsey
How about this one?
That's a good song, Thriftymaid. I remember hearing it on the radio when I was about four years old. Who would have thought the song was 50 years old now? Lol:)
Those are not Christmas carols, those are winter songs. Nobody sings about summer because that is work time.
As close as it gets:
Me too. Lots of coal mining was going on in my state back when I was a kid. Very popular song. 
There actually is an official anthem for workers. It is "The Internationale" -- it is the rallying song of Marxist movements in Europe, dating back to the late 19th century.
Two songs come to mind: "Takin' Care of Business" and that songs the Wicked Witch of West's Guard's sing in the Wizard of Oz. It goes like this, "Hay ay oh, Hay oh oh. Hay ah oh, Hay oh oh."
