[Candor7]

Even Better: German orchestra really hitting the German penny whistle interpretation ( Warning, get out the Kleenex tissue.)

Andre Rieu Amazing Grace

https://www.youtube.com/watch?v=-GD-5mRyaJw

Much of Germany and Austria have very deep Celtic connections.

And it is my hunch that it forms a bond between much of France, Germany,Austraia, England and Ireland.

[Fred Nerks]

...it is my hunch that it forms a bond between much of France, Germany, Austria, England and Ireland.

As the presence of megalithic architecture appears to suggest:

All the way down to Malta: