Ha! Ha! Pete - I run to Flogging Molly too!! Thought I was the only one! For me though it is the Gaelic connection not the hard rock one. You could try some of the Pogues - "Sally Maclennane" or "Streams of Whisky". Foo Fighters "All of my Life", "Long Road to Ruin" or "The Pretender". For quieter moments and an 8.5 min mile pace my all time favourite is "Run into the light" by Runrig (yes I'll admit it!). the lyrics are particularly uplifting on a long easy run through the forrest.