Many are familiar with the carved design of the Celtic Cross, found wherever the Irish monks of the Dark Ages had any influence. Celtic peoples of today also have a similarity in music, which often has a folk music flavor. The Celtic music can be expressed in woeful ballads or in soulful lively dance tunes. In Ireland the harp is a traditional instrument, and a national symbol. The fiddle, tin whistle, mandolin, accordion, and hand-drum are common in Celtic music.
Most people can remember images of Scottish men in kilts dancing over crossed swords.
Gaelic dances are often called jigs. They love glorious imagery in the spoken word, and when speaking English, they often have a brogue or a sing-song bit of lilt. There can also be a pinch of excitability and emotionality in the speech of a Celtic person. It clearly doesn't fit into the Oxford or Wall Street brands of English. The Ancient Celts 2.