Grateful to piping historian Keith Sanger for forwarding this letter from the Blair Castle archives. It is dated 1830 and is by Perthshire piper John McGregor. It mentions his (McGregor’s) winning the prize pipe and Angus MacKay (pictured above) coming second. MacKay is intimated as piper to the Duke of Gordon which is news to me. I understood that before royal service with Queen Victoria he was with the Laird…