Possible Clues:

• Language in which you might be greeted 'Hullo, hoo are ye?'
• Peebles people
• It's spoken in Aberdeen
• Edinburghers, for instance
• Aberdonians, for instance
• Falkirk folks
• Language in which a nutty person might be told 'Yer bum's oot the windae'
• Lord and Lady Macbeth, e.g
• Bagpipe players
• Lallans is a literary version of this variety of English