Jason and Stevie Dunne play a set of polkas from Jason's new album The Northern Concertina. The tunes are John Brosnan's/The Frozen Mouse Polka/Timmy McCarthy's. 'The Frozen Mouse Polka' composed by Jason.
The concertina is a 1922 30-key C/G Jeffries.
https://youtu.be/HRdiOS32oPo
You can listen to the album here: https://jasonorourke.bandcamp.com/releases