Scottish Gaelic, heavy guitars and a chorus made for headbanging.There’s something almost ritualistic about the opening of “Gabh Ceum Air Ais”. A voice speaks before an electric guitar cuts in with a riff that immediately grabs your attention. Then come the shouts and screams. Gun Ghaol don’t take long to get to the heavy stuff, but there’s more going on here than sheer force. When the chorus kicks in, the song opens up into a surprisingly catchy melody. It’s the kind of chorus that gets stuck i