Bernard Wrigley does not roll his Rs as a Scotsman would do, it is more a definite pronunciation ,I would say Blackbern ,the r slightly sounded but his accent pronounces it strongly so more like when we would say burr so
BlackbuRn,a very deep u and pronounced r.
Isn ‘t it hard to reproduce accents in writing. !
You can bring him up ,and hear him..
I find it a breath from the past when I hear a strong accent.
Viktoria.