Irish singer/songwriter Keith Harkin is a member of the all-male vocal ensemble Celtic Thunder and a soulful folk- and rock-influenced solo artist. A native of Derry, Northern Ireland, Harkin began singing around age four. In 2005, he moved to London to pursue music and acting. Before joining Celtic Thunder, he'd played various music festivals in Britain and nabbed the lead role in the 2006 BBC television production Dha Theanga, for which he also contributed music. A surfer, Harkin is often compared to the similarly inclined American musician Jack Johnson. In 2012, he released...