There's only one mainsail, it,s the main sail on the main mast, dammit!!!Blackballers did sing a couple of versions of the shanty, but they didn't own it, 'twas sung by most crews of other lines on the Atlantic runs. Several other versions were sung on other oceans.
aND nOT aLL ShAnTysinGErs are ECCEntriC, Dicho!!
And Mrrzy is just a prevert. Women are O.K. but not as good as the real thing!