Pete Shutler was and probably still is in the Archers and it is his accordian playing for the Sunday omnibus edition. What the band was called I have no idea but he told me in about 1994 when they had the Yetties at the Swan Theatre Worcester.

FWIW Eddie Grundy's actor lives in the area of Upton-u-7 and has been known to play his music locally - purely for amusement. Mark Wooley - who had a music shop in Upton - knows him well and gigs with as a duo with another local singer.