fyi: Juneteenth is right around the corner. Back where I come from it's when one celebrates Cuney et al. For someone my age that's like before AOL even.

Nothing wrong with singing and playing for enjoyment. It's the unsourced, hard science performance claims that get one in trouble with the laws of Man and Nature (Coasts Guard, inertia, gravity &c.)

Unless I'm wrong about Gibb's working criteria, it's a straight word search. Searching for "capstan" wouldn't yield a list of capstan shanties would it? The cotton screwers themselves being MIA is also a problem imo.

I think a thread title along the lines of "songs that mention..." would be more intellectually honest at this stage. Maybe something develops, maybe not. Say as you do, do as you say and all that.