Harkin, a native of Derry, Ireland, is largely known as a former lead singer of Celtic Thunder, an Irish singing group and stage show that established in 2007.

Celtic Thunder, the renowned Irish music group, is returning to Indianapolis as part of their latest tour, Odyssey. Lead singer Neil Byrne, a member of the group since its formation 17 years ago ...

Irish Tenor Emmet Cahill, lead singer with “Celtic Thunder,” performs at 7 p.m. Monday in the sanctuary of First United Methodist Church of Marietta, 56 Whitlock Ave. Doors open at 6:15 p.m.

Celtic Thunder has been captivating audiences for 17 years, and Byrne has been with the group since its inception. “We’ve been in the U.S. every year apart from the pandemic years,” he said.