surely the words are:
Aa dunna know, aa dunna care
What they do i' Bradda
Piece o' beef an' an old cow's yead
And a puddin' baked in a lantern
Castleton Garland Tune according to Crichton Porteous "The Ancient Customs of Derbyshire"
Or, to stay wi' your version, (New)Brampton is part of Chesterfield whilst (Old)Brampton is a village just west of Chesterfield.