I have been singing Kingdom Coming for about 35 years without changing the words. Sometimes at our historical gigs, we will read a typical advertisement for a runaway SLAVE and then say what made this song so funny at the time is that it was about a runaway MASSA. My friend Carl Baron replaces "darkies" with "slaves, they" so The massa run, ha ha And the slaves they say, ho ho it must be now that the kingdom comin' In the Year of Jubilo (Work really knew his Bible. I think the reference is Leviticus 35, 10)