I have heard many beautiful versions of this scottish tune played on the different types of concertina and I'd like to share this one adapted to the Hayden duet system:
https://www.youtube.com/watch?v=ZVsOwYt2A7U
Thanks for watching!
A very short film I made in commemoration of the lives lost on Empire Day in 1913. Sound track is my version of Roslin Castle, played on a 2007 Holmwood trenor-treble concertina, made by Hamish Bayne. The film is here: