In Allen's SLAVE SONGS OF THE UNITED STATES (1867), a version of "Round the Corn, Sally" is included, pg. 68. Note that this is a different source than the one usually cited...which escapes me at the moment...but on which for instance the chantey group The Johnson Girls have based their rendition. The melody in SLAVE SONGS is different. There is also an interesting note in the introduction.

On the other hand there are very few which are of an intrinsically barbaric character, and where this character does appear, it is chiefly in short passages, intermingled
with others of a different character. Such passages may be found perhaps in Nos. 10, 12, and 18 ; and "Becky Lawton," for instance (No. 29), "Shall I die?" (No. 52) " Round the corn, Sally" (No. 87), and " O'er the crossing" (No. 93) may very well be purely African in origin. Indeed, it is very likely that if we had found it possible to get at more of their secular music, we should have come to another conclusion as to the proportion ot the barbaric element.

Just after is this interesting comment about work-songs:

A gentleman in Delaware writes: " We must look among their non-religious songs for the purest specimens of negro minstrelsy. ....Some of the best pure negro songs I have ever heard were those that used to be sung by the black stevedores, or perhaps the crews themselves, of the West India vessels, loading and unloading at the wharves in Philadelphia and Baltimore. I have stood for more than an hour, often, listening to them, as they hoisted and lowered the hogsheads and boxes of their cargoes ; one man taking the burden of the song (and the slack of the rope) and the others striking in with the chorus. They would sing in this way more than a dozen different songs in an hour ; most of which might indeed be warranted to contain ' nothing religious'—a few of them, ' on the contrary, quite the reverse'—but generally rather innocent and proper in their language, and strangely attractive in their music; and with a volume of voice that reached a square or two away. That plan of labor has now passed away, in Philadelphia at least, and the songs, I suppose, with it. So that these performances are to be heard only among black sailors on their vessels, or 'long-shore men in out-of-the-way places, where opportunities for respectable persons to hear them are rather few."

These are the songs that are still heard upon the Mississippi steamboats—wild and strangely fascinating— one of which we have been so fortunate as to secure for this collection. This, too, is no doubt the music of the colored firemen of Savannah, graphically described by Mr. Kane O'Donnel, in a letter to the Philadelphia Press, and one of which he was able to contribute for our use. Mr. E. S. Philbrick was struck with the resemblance of some of the rowing tunes at Port-Royal to the boatmen's songs he had heard upon the Nile.

The "Round the corn, Sally" is attributed to the "Northern slave states."