there some similarities between border songs and tunes[ close to the border look at the northumbrian tradtion, indistinguishable is an exaggeration. northumberland is part of england.
but northumbrian tunes are closer stylistically to lowland scots music than to southern english music, songs like the battle of otterbourne and chevy chase quote
The ballads tell the story of a large hunting party upon a parcel of hunting land (or chase) in the Cheviot Hills (a range of rolling hills straddling the Anglo-Scottish border between Northumberland and the Scottish Borders), hence the term, Chevy Chase. The hunt is led by Percy, the English Earl of Northumberland. The Scottish Earl Douglas had forbidden this hunt and interpreted it as an invasion of Scotland. In response he attacked, causing a bloody battle after which only 110 people survived. Both ballads were collected in Thomas Percy's Reliques and the first of the ballads in Francis James Child's Child Ballads. Different versions were collected in England, Scotland, and the US