It isn't just the worst accent in singing.

You can 'write' in an accent not your own, and that can feel weird to the reader. So recently I was reading something by an African American (which I am not) who didn't like the way the early "race records" marketing used what was supposed to be a representation of African American parlance to advertise their products. Suppose this is the 'buy in any language, sell in the buyer's language' principle.

I have seen similar imitations of that speech used to advertise blues-type events in the UK and it just feels 'fake'. And I've read articles about blues music by white English people which do the same sort of thing. Come n dig dee blues man! It's smokin


Probably fallen into the trap myself of course, but there you go