Complex sentence: He helped to make "The Mystic Knights of Tir Na Nog" while he was in Ireland and is an avid composer, writing for many TV shows including "Modern Marvels" and "The World's Greatest Magic" series.
Split into simpler sentences: He helped to make "The Mystic Knights of Tir Na Nog" while he was in Ireland. He is also an avid composer, writing for many TV shows including "Modern Marvels" and "The World's Greatest Magic" series.