It is extremely naive to suggest that the Bulmer family should contact you Dick.

They have probably never heard of Dick Miles and I'm pretty sure they will not know of the New Mexborough Concertina Quartet and a "niche" recording from 37 years ago.

They have little, if not nothing, to gain from finding the recording, re-mastering it and re-releasing it.

You, on the other hand, seem to want to do so. I would suggest the ball is firmly in your court.