There's always a lot of uninspired "Irish" instrumental music about, as well as some that's got too clever and missed the point. I used to play the music (badly)with kind and tolerant Irish musicians back in the '70's and having got a tape of the album years ago (and lost it) I was only to grateful to the internet to get another, because this is the real thing.
You've concertina and melodeon players getting the essentials out of good dance tunes (and a couple of slow airs) with a tremendously exciting verve and drive that doesn't lose the melody or rhythm. The audience clearly love it , too. This is inspiring, uplifting music that gets you in the gut.
If you have any love - or even mere liking - for Irish music, BUY IT. This is a clssic.