But I read 'English' as being used in a geographic ethnomusicological sense, as if maybe it stems for Sharpe's 'English national music' ideas.

You can read it any which way you want. The exercise of a name change is to inculcate something meaningful to the wider public! And good luck with that.

Anyone remember the advert for Strand cigarettes? Powerful, well crafted with haunting music, everyone noticed it. And they missed the one thing that the buying public reacted to. That to fetch out a packet correlated with being a lonely middle-aged git. Correlation ain't causation, sure - tell that to the wider public.

And bar-room jocularity is your clue folks.

An acronym like F.A.M.E.D would go a long way, anyone care to fill in the gaps............

Folk A____ Music E______ Dance (Endeavour perhaps)